Home / 22,945.16-34,330.76-13,590.20

Finding the Fourth Proportional to 22,945.16, 34,330.76 and 13,590.20

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Solution

The fourth proportional to 22,945.16, 34,330.76 and 13,590.20 is: 20,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.16 : 34,330.76 = 13,590.20 : x
  2. Step 2: Convert to fraction form
    22,945.16/34,330.76 = 13,590.20/x
  3. Step 3: Cross multiply
    22,945.16x = 34,330.76 × 13,590.20
  4. Step 4: Simplify right side
    22,945.16x = 466,561,894.55
  5. Step 5: Solve for x
    x = 466,561,894.55/22,945.16
  6. Step 6: Final answer
    x = 20,333.78

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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.