Home / 15,672.05-23,508.86-5,141.14

Finding the Fourth Proportional to 15,672.05, 23,508.86 and 5,141.14

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Solution

The fourth proportional to 15,672.05, 23,508.86 and 5,141.14 is: 7,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.05 : 23,508.86 = 5,141.14 : x
  2. Step 2: Convert to fraction form
    15,672.05/23,508.86 = 5,141.14/x
  3. Step 3: Cross multiply
    15,672.05x = 23,508.86 × 5,141.14
  4. Step 4: Simplify right side
    15,672.05x = 120,862,197.25
  5. Step 5: Solve for x
    x = 120,862,197.25/15,672.05
  6. Step 6: Final answer
    x = 7,711.96

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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.