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Finding the Fourth Proportional to 9,539.08, 14,305.56 and 8,917.16

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Solution

The fourth proportional to 9,539.08, 14,305.56 and 8,917.16 is: 13,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.08 : 14,305.56 = 8,917.16 : x
  2. Step 2: Convert to fraction form
    9,539.08/14,305.56 = 8,917.16/x
  3. Step 3: Cross multiply
    9,539.08x = 14,305.56 × 8,917.16
  4. Step 4: Simplify right side
    9,539.08x = 127,564,967.41
  5. Step 5: Solve for x
    x = 127,564,967.41/9,539.08
  6. Step 6: Final answer
    x = 13,372.88

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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.