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Finding the Fourth Proportional to 9,344.72, 14,017.08 and 8,774.48

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Solution

The fourth proportional to 9,344.72, 14,017.08 and 8,774.48 is: 13,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.72 : 14,017.08 = 8,774.48 : x
  2. Step 2: Convert to fraction form
    9,344.72/14,017.08 = 8,774.48/x
  3. Step 3: Cross multiply
    9,344.72x = 14,017.08 × 8,774.48
  4. Step 4: Simplify right side
    9,344.72x = 122,992,588.12
  5. Step 5: Solve for x
    x = 122,992,588.12/9,344.72
  6. Step 6: Final answer
    x = 13,161.72

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Similar ratio
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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.