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Finding the Fourth Proportional to 9,134.76, 12,603.79 and 6,301.23

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Solution

The fourth proportional to 9,134.76, 12,603.79 and 6,301.23 is: 8,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.76 : 12,603.79 = 6,301.23 : x
  2. Step 2: Convert to fraction form
    9,134.76/12,603.79 = 6,301.23/x
  3. Step 3: Cross multiply
    9,134.76x = 12,603.79 × 6,301.23
  4. Step 4: Simplify right side
    9,134.76x = 79,419,304.83
  5. Step 5: Solve for x
    x = 79,419,304.83/9,134.76
  6. Step 6: Final answer
    x = 8,694.19

Related Problems

Find fourth proportional to 4,567.38, 6,301.89 and 3,150.61
Half scale
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Double scale
Find fourth proportional to 9,135.76, 12,605.17 and 6,302.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.