Home / 14,892.54-20,545.16-9,225.78

Finding the Fourth Proportional to 14,892.54, 20,545.16 and 9,225.78

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Solution

The fourth proportional to 14,892.54, 20,545.16 and 9,225.78 is: 12,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.54 : 20,545.16 = 9,225.78 : x
  2. Step 2: Convert to fraction form
    14,892.54/20,545.16 = 9,225.78/x
  3. Step 3: Cross multiply
    14,892.54x = 20,545.16 × 9,225.78
  4. Step 4: Simplify right side
    14,892.54x = 189,545,080.10
  5. Step 5: Solve for x
    x = 189,545,080.10/14,892.54
  6. Step 6: Final answer
    x = 12,727.52

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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.