Home / 15,613.13-23,419.71-6,379.13

Finding the Fourth Proportional to 15,613.13, 23,419.71 and 6,379.13

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Solution

The fourth proportional to 15,613.13, 23,419.71 and 6,379.13 is: 9,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.13 : 23,419.71 = 6,379.13 : x
  2. Step 2: Convert to fraction form
    15,613.13/23,419.71 = 6,379.13/x
  3. Step 3: Cross multiply
    15,613.13x = 23,419.71 × 6,379.13
  4. Step 4: Simplify right side
    15,613.13x = 149,397,257.55
  5. Step 5: Solve for x
    x = 149,397,257.55/15,613.13
  6. Step 6: Final answer
    x = 9,568.70

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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.