Home / 18,217.58-25,141.56-10,151.91

Finding the Fourth Proportional to 18,217.58, 25,141.56 and 10,151.91

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Solution

The fourth proportional to 18,217.58, 25,141.56 and 10,151.91 is: 14,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.58 : 25,141.56 = 10,151.91 : x
  2. Step 2: Convert to fraction form
    18,217.58/25,141.56 = 10,151.91/x
  3. Step 3: Cross multiply
    18,217.58x = 25,141.56 × 10,151.91
  4. Step 4: Simplify right side
    18,217.58x = 255,234,854.38
  5. Step 5: Solve for x
    x = 255,234,854.38/18,217.58
  6. Step 6: Final answer
    x = 14,010.36

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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.