Home / 15,617.21-23,370.17-11,446.87

Finding the Fourth Proportional to 15,617.21, 23,370.17 and 11,446.87

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Solution

The fourth proportional to 15,617.21, 23,370.17 and 11,446.87 is: 17,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.21 : 23,370.17 = 11,446.87 : x
  2. Step 2: Convert to fraction form
    15,617.21/23,370.17 = 11,446.87/x
  3. Step 3: Cross multiply
    15,617.21x = 23,370.17 × 11,446.87
  4. Step 4: Simplify right side
    15,617.21x = 267,515,290.42
  5. Step 5: Solve for x
    x = 267,515,290.42/15,617.21
  6. Step 6: Final answer
    x = 17,129.52

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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.