Home / 11,520.56-15,892.58-6,737.38

Finding the Fourth Proportional to 11,520.56, 15,892.58 and 6,737.38

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Solution

The fourth proportional to 11,520.56, 15,892.58 and 6,737.38 is: 9,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.56 : 15,892.58 = 6,737.38 : x
  2. Step 2: Convert to fraction form
    11,520.56/15,892.58 = 6,737.38/x
  3. Step 3: Cross multiply
    11,520.56x = 15,892.58 × 6,737.38
  4. Step 4: Simplify right side
    11,520.56x = 107,074,277.22
  5. Step 5: Solve for x
    x = 107,074,277.22/11,520.56
  6. Step 6: Final answer
    x = 9,294.19

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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.