Home / 15,648.80-23,475.24-5,115.14

Finding the Fourth Proportional to 15,648.80, 23,475.24 and 5,115.14

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Solution

The fourth proportional to 15,648.80, 23,475.24 and 5,115.14 is: 7,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.80 : 23,475.24 = 5,115.14 : x
  2. Step 2: Convert to fraction form
    15,648.80/23,475.24 = 5,115.14/x
  3. Step 3: Cross multiply
    15,648.80x = 23,475.24 × 5,115.14
  4. Step 4: Simplify right side
    15,648.80x = 120,079,139.13
  5. Step 5: Solve for x
    x = 120,079,139.13/15,648.80
  6. Step 6: Final answer
    x = 7,673.38

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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.