Home / 16,807.72-25,211.59-5,121.04

Finding the Fourth Proportional to 16,807.72, 25,211.59 and 5,121.04

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Solution

The fourth proportional to 16,807.72, 25,211.59 and 5,121.04 is: 7,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.72 : 25,211.59 = 5,121.04 : x
  2. Step 2: Convert to fraction form
    16,807.72/25,211.59 = 5,121.04/x
  3. Step 3: Cross multiply
    16,807.72x = 25,211.59 × 5,121.04
  4. Step 4: Simplify right side
    16,807.72x = 129,109,560.85
  5. Step 5: Solve for x
    x = 129,109,560.85/16,807.72
  6. Step 6: Final answer
    x = 7,681.56

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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.