Home / 11,520.58-15,892.57-6,737.40

Finding the Fourth Proportional to 11,520.58, 15,892.57 and 6,737.40

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Solution

The fourth proportional to 11,520.58, 15,892.57 and 6,737.40 is: 9,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.58 : 15,892.57 = 6,737.40 : x
  2. Step 2: Convert to fraction form
    11,520.58/15,892.57 = 6,737.40/x
  3. Step 3: Cross multiply
    11,520.58x = 15,892.57 × 6,737.40
  4. Step 4: Simplify right side
    11,520.58x = 107,074,601.12
  5. Step 5: Solve for x
    x = 107,074,601.12/11,520.58
  6. Step 6: Final answer
    x = 9,294.20

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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.