Home / 15,557.20-23,335.80-9,717.10

Finding the Fourth Proportional to 15,557.20, 23,335.80 and 9,717.10

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Solution

The fourth proportional to 15,557.20, 23,335.80 and 9,717.10 is: 14,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.20 : 23,335.80 = 9,717.10 : x
  2. Step 2: Convert to fraction form
    15,557.20/23,335.80 = 9,717.10/x
  3. Step 3: Cross multiply
    15,557.20x = 23,335.80 × 9,717.10
  4. Step 4: Simplify right side
    15,557.20x = 226,756,302.18
  5. Step 5: Solve for x
    x = 226,756,302.18/15,557.20
  6. Step 6: Final answer
    x = 14,575.65

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Similar ratio
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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.