Home / 15,883.20-21,922.92-10,221.84

Finding the Fourth Proportional to 15,883.20, 21,922.92 and 10,221.84

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Solution

The fourth proportional to 15,883.20, 21,922.92 and 10,221.84 is: 14,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.20 : 21,922.92 = 10,221.84 : x
  2. Step 2: Convert to fraction form
    15,883.20/21,922.92 = 10,221.84/x
  3. Step 3: Cross multiply
    15,883.20x = 21,922.92 × 10,221.84
  4. Step 4: Simplify right side
    15,883.20x = 224,092,580.57
  5. Step 5: Solve for x
    x = 224,092,580.57/15,883.20
  6. Step 6: Final answer
    x = 14,108.78

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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.