Home / 17,613.72-26,422.20-12,569.04

Finding the Fourth Proportional to 17,613.72, 26,422.20 and 12,569.04

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Solution

The fourth proportional to 17,613.72, 26,422.20 and 12,569.04 is: 18,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.72 : 26,422.20 = 12,569.04 : x
  2. Step 2: Convert to fraction form
    17,613.72/26,422.20 = 12,569.04/x
  3. Step 3: Cross multiply
    17,613.72x = 26,422.20 × 12,569.04
  4. Step 4: Simplify right side
    17,613.72x = 332,101,688.69
  5. Step 5: Solve for x
    x = 332,101,688.69/17,613.72
  6. Step 6: Final answer
    x = 18,854.72

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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.