Home / 22,721.76-34,062.56-8,861.04

Finding the Fourth Proportional to 22,721.76, 34,062.56 and 8,861.04

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Solution

The fourth proportional to 22,721.76, 34,062.56 and 8,861.04 is: 13,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.76 : 34,062.56 = 8,861.04 : x
  2. Step 2: Convert to fraction form
    22,721.76/34,062.56 = 8,861.04/x
  3. Step 3: Cross multiply
    22,721.76x = 34,062.56 × 8,861.04
  4. Step 4: Simplify right side
    22,721.76x = 301,829,706.66
  5. Step 5: Solve for x
    x = 301,829,706.66/22,721.76
  6. Step 6: Final answer
    x = 13,283.73

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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.