Home / 18,397.44-25,393.92-11,230.08

Finding the Fourth Proportional to 18,397.44, 25,393.92 and 11,230.08

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Solution

The fourth proportional to 18,397.44, 25,393.92 and 11,230.08 is: 15,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.44 : 25,393.92 = 11,230.08 : x
  2. Step 2: Convert to fraction form
    18,397.44/25,393.92 = 11,230.08/x
  3. Step 3: Cross multiply
    18,397.44x = 25,393.92 × 11,230.08
  4. Step 4: Simplify right side
    18,397.44x = 285,175,753.11
  5. Step 5: Solve for x
    x = 285,175,753.11/18,397.44
  6. Step 6: Final answer
    x = 15,500.84

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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.