Home / 9,921.29-13,691.82-5,941.62

Finding the Fourth Proportional to 9,921.29, 13,691.82 and 5,941.62

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Solution

The fourth proportional to 9,921.29, 13,691.82 and 5,941.62 is: 8,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.29 : 13,691.82 = 5,941.62 : x
  2. Step 2: Convert to fraction form
    9,921.29/13,691.82 = 5,941.62/x
  3. Step 3: Cross multiply
    9,921.29x = 13,691.82 × 5,941.62
  4. Step 4: Simplify right side
    9,921.29x = 81,351,591.55
  5. Step 5: Solve for x
    x = 81,351,591.55/9,921.29
  6. Step 6: Final answer
    x = 8,199.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.