Home / 18,613.19-25,658.98-15,250.68

Finding the Fourth Proportional to 18,613.19, 25,658.98 and 15,250.68

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Solution

The fourth proportional to 18,613.19, 25,658.98 and 15,250.68 is: 21,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.19 : 25,658.98 = 15,250.68 : x
  2. Step 2: Convert to fraction form
    18,613.19/25,658.98 = 15,250.68/x
  3. Step 3: Cross multiply
    18,613.19x = 25,658.98 × 15,250.68
  4. Step 4: Simplify right side
    18,613.19x = 391,316,854.98
  5. Step 5: Solve for x
    x = 391,316,854.98/18,613.19
  6. Step 6: Final answer
    x = 21,023.63

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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.