Home / 15,170.76-22,755.36-5,815.26

Finding the Fourth Proportional to 15,170.76, 22,755.36 and 5,815.26

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Solution

The fourth proportional to 15,170.76, 22,755.36 and 5,815.26 is: 8,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.76 : 22,755.36 = 5,815.26 : x
  2. Step 2: Convert to fraction form
    15,170.76/22,755.36 = 5,815.26/x
  3. Step 3: Cross multiply
    15,170.76x = 22,755.36 × 5,815.26
  4. Step 4: Simplify right side
    15,170.76x = 132,328,334.79
  5. Step 5: Solve for x
    x = 132,328,334.79/15,170.76
  6. Step 6: Final answer
    x = 8,722.59

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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.