Home / 15,841.44-21,863.49-9,125.76

Finding the Fourth Proportional to 15,841.44, 21,863.49 and 9,125.76

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Solution

The fourth proportional to 15,841.44, 21,863.49 and 9,125.76 is: 12,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.44 : 21,863.49 = 9,125.76 : x
  2. Step 2: Convert to fraction form
    15,841.44/21,863.49 = 9,125.76/x
  3. Step 3: Cross multiply
    15,841.44x = 21,863.49 × 9,125.76
  4. Step 4: Simplify right side
    15,841.44x = 199,520,962.50
  5. Step 5: Solve for x
    x = 199,520,962.50/15,841.44
  6. Step 6: Final answer
    x = 12,594.88

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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.