Home / 18,429.66-25,432.94-10,471.90

Finding the Fourth Proportional to 18,429.66, 25,432.94 and 10,471.90

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Solution

The fourth proportional to 18,429.66, 25,432.94 and 10,471.90 is: 14,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.66 : 25,432.94 = 10,471.90 : x
  2. Step 2: Convert to fraction form
    18,429.66/25,432.94 = 10,471.90/x
  3. Step 3: Cross multiply
    18,429.66x = 25,432.94 × 10,471.90
  4. Step 4: Simplify right side
    18,429.66x = 266,331,204.39
  5. Step 5: Solve for x
    x = 266,331,204.39/18,429.66
  6. Step 6: Final answer
    x = 14,451.23

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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.