Home / 15,124.44-22,638.78-8,531.04

Finding the Fourth Proportional to 15,124.44, 22,638.78 and 8,531.04

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Solution

The fourth proportional to 15,124.44, 22,638.78 and 8,531.04 is: 12,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.44 : 22,638.78 = 8,531.04 : x
  2. Step 2: Convert to fraction form
    15,124.44/22,638.78 = 8,531.04/x
  3. Step 3: Cross multiply
    15,124.44x = 22,638.78 × 8,531.04
  4. Step 4: Simplify right side
    15,124.44x = 193,132,337.73
  5. Step 5: Solve for x
    x = 193,132,337.73/15,124.44
  6. Step 6: Final answer
    x = 12,769.55

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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.