Home / 15,691.15-23,534.13-5,161.30

Finding the Fourth Proportional to 15,691.15, 23,534.13 and 5,161.30

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Solution

The fourth proportional to 15,691.15, 23,534.13 and 5,161.30 is: 7,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.15 : 23,534.13 = 5,161.30 : x
  2. Step 2: Convert to fraction form
    15,691.15/23,534.13 = 5,161.30/x
  3. Step 3: Cross multiply
    15,691.15x = 23,534.13 × 5,161.30
  4. Step 4: Simplify right side
    15,691.15x = 121,466,660.82
  5. Step 5: Solve for x
    x = 121,466,660.82/15,691.15
  6. Step 6: Final answer
    x = 7,741.09

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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.