Home / 18,470.42-25,489.05-10,086.92

Finding the Fourth Proportional to 18,470.42, 25,489.05 and 10,086.92

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Solution

The fourth proportional to 18,470.42, 25,489.05 and 10,086.92 is: 13,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.42 : 25,489.05 = 10,086.92 : x
  2. Step 2: Convert to fraction form
    18,470.42/25,489.05 = 10,086.92/x
  3. Step 3: Cross multiply
    18,470.42x = 25,489.05 × 10,086.92
  4. Step 4: Simplify right side
    18,470.42x = 257,106,008.23
  5. Step 5: Solve for x
    x = 257,106,008.23/18,470.42
  6. Step 6: Final answer
    x = 13,919.88

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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.