Home / 22,764.35-34,146.11-8,720.57

Finding the Fourth Proportional to 22,764.35, 34,146.11 and 8,720.57

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Solution

The fourth proportional to 22,764.35, 34,146.11 and 8,720.57 is: 13,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.35 : 34,146.11 = 8,720.57 : x
  2. Step 2: Convert to fraction form
    22,764.35/34,146.11 = 8,720.57/x
  3. Step 3: Cross multiply
    22,764.35x = 34,146.11 × 8,720.57
  4. Step 4: Simplify right side
    22,764.35x = 297,773,393.55
  5. Step 5: Solve for x
    x = 297,773,393.55/22,764.35
  6. Step 6: Final answer
    x = 13,080.69

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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.