Home / 15,545.16-23,321.07-5,015.78

Finding the Fourth Proportional to 15,545.16, 23,321.07 and 5,015.78

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Solution

The fourth proportional to 15,545.16, 23,321.07 and 5,015.78 is: 7,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.16 : 23,321.07 = 5,015.78 : x
  2. Step 2: Convert to fraction form
    15,545.16/23,321.07 = 5,015.78/x
  3. Step 3: Cross multiply
    15,545.16x = 23,321.07 × 5,015.78
  4. Step 4: Simplify right side
    15,545.16x = 116,973,414.79
  5. Step 5: Solve for x
    x = 116,973,414.79/15,545.16
  6. Step 6: Final answer
    x = 7,524.75

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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.