Home / 18,079.32-24,948.30-10,121.40

Finding the Fourth Proportional to 18,079.32, 24,948.30 and 10,121.40

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Solution

The fourth proportional to 18,079.32, 24,948.30 and 10,121.40 is: 13,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.32 : 24,948.30 = 10,121.40 : x
  2. Step 2: Convert to fraction form
    18,079.32/24,948.30 = 10,121.40/x
  3. Step 3: Cross multiply
    18,079.32x = 24,948.30 × 10,121.40
  4. Step 4: Simplify right side
    18,079.32x = 252,511,723.62
  5. Step 5: Solve for x
    x = 252,511,723.62/18,079.32
  6. Step 6: Final answer
    x = 13,966.88

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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.