Home / 18,743.04-28,149.12-14,872.32

Finding the Fourth Proportional to 18,743.04, 28,149.12 and 14,872.32

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Solution

The fourth proportional to 18,743.04, 28,149.12 and 14,872.32 is: 22,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.04 : 28,149.12 = 14,872.32 : x
  2. Step 2: Convert to fraction form
    18,743.04/28,149.12 = 14,872.32/x
  3. Step 3: Cross multiply
    18,743.04x = 28,149.12 × 14,872.32
  4. Step 4: Simplify right side
    18,743.04x = 418,642,720.36
  5. Step 5: Solve for x
    x = 418,642,720.36/18,743.04
  6. Step 6: Final answer
    x = 22,335.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.