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Finding the Fourth Proportional to 18,039.93, 24,895.20 and 10,082.29

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Solution

The fourth proportional to 18,039.93, 24,895.20 and 10,082.29 is: 13,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.93 : 24,895.20 = 10,082.29 : x
  2. Step 2: Convert to fraction form
    18,039.93/24,895.20 = 10,082.29/x
  3. Step 3: Cross multiply
    18,039.93x = 24,895.20 × 10,082.29
  4. Step 4: Simplify right side
    18,039.93x = 251,000,591.54
  5. Step 5: Solve for x
    x = 251,000,591.54/18,039.93
  6. Step 6: Final answer
    x = 13,913.61

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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.