Home / 14,665.38-20,219.19-9,350.97

Finding the Fourth Proportional to 14,665.38, 20,219.19 and 9,350.97

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Solution

The fourth proportional to 14,665.38, 20,219.19 and 9,350.97 is: 12,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.38 : 20,219.19 = 9,350.97 : x
  2. Step 2: Convert to fraction form
    14,665.38/20,219.19 = 9,350.97/x
  3. Step 3: Cross multiply
    14,665.38x = 20,219.19 × 9,350.97
  4. Step 4: Simplify right side
    14,665.38x = 189,069,039.11
  5. Step 5: Solve for x
    x = 189,069,039.11/14,665.38
  6. Step 6: Final answer
    x = 12,892.20

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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.