Home / 15,469.38-23,201.34-7,148.70

Finding the Fourth Proportional to 15,469.38, 23,201.34 and 7,148.70

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Solution

The fourth proportional to 15,469.38, 23,201.34 and 7,148.70 is: 10,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.38 : 23,201.34 = 7,148.70 : x
  2. Step 2: Convert to fraction form
    15,469.38/23,201.34 = 7,148.70/x
  3. Step 3: Cross multiply
    15,469.38x = 23,201.34 × 7,148.70
  4. Step 4: Simplify right side
    15,469.38x = 165,859,419.26
  5. Step 5: Solve for x
    x = 165,859,419.26/15,469.38
  6. Step 6: Final answer
    x = 10,721.79

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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.