Home / 22,613.18-31,206.22-12,542.04

Finding the Fourth Proportional to 22,613.18, 31,206.22 and 12,542.04

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Solution

The fourth proportional to 22,613.18, 31,206.22 and 12,542.04 is: 17,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.18 : 31,206.22 = 12,542.04 : x
  2. Step 2: Convert to fraction form
    22,613.18/31,206.22 = 12,542.04/x
  3. Step 3: Cross multiply
    22,613.18x = 31,206.22 × 12,542.04
  4. Step 4: Simplify right side
    22,613.18x = 391,389,659.49
  5. Step 5: Solve for x
    x = 391,389,659.49/22,613.18
  6. Step 6: Final answer
    x = 17,308.03

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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.