Home / 15,391.20-23,086.76-3,704.40

Finding the Fourth Proportional to 15,391.20, 23,086.76 and 3,704.40

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Solution

The fourth proportional to 15,391.20, 23,086.76 and 3,704.40 is: 5,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.20 : 23,086.76 = 3,704.40 : x
  2. Step 2: Convert to fraction form
    15,391.20/23,086.76 = 3,704.40/x
  3. Step 3: Cross multiply
    15,391.20x = 23,086.76 × 3,704.40
  4. Step 4: Simplify right side
    15,391.20x = 85,522,593.74
  5. Step 5: Solve for x
    x = 85,522,593.74/15,391.20
  6. Step 6: Final answer
    x = 5,556.59

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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.