Home / 9,143.31-13,706.86-4,460.70

Finding the Fourth Proportional to 9,143.31, 13,706.86 and 4,460.70

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Solution

The fourth proportional to 9,143.31, 13,706.86 and 4,460.70 is: 6,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.31 : 13,706.86 = 4,460.70 : x
  2. Step 2: Convert to fraction form
    9,143.31/13,706.86 = 4,460.70/x
  3. Step 3: Cross multiply
    9,143.31x = 13,706.86 × 4,460.70
  4. Step 4: Simplify right side
    9,143.31x = 61,142,190.40
  5. Step 5: Solve for x
    x = 61,142,190.40/9,143.31
  6. Step 6: Final answer
    x = 6,687.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.