Home / 19,591.24-29,391.18-6,447.64

Finding the Fourth Proportional to 19,591.24, 29,391.18 and 6,447.64

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Solution

The fourth proportional to 19,591.24, 29,391.18 and 6,447.64 is: 9,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.24 : 29,391.18 = 6,447.64 : x
  2. Step 2: Convert to fraction form
    19,591.24/29,391.18 = 6,447.64/x
  3. Step 3: Cross multiply
    19,591.24x = 29,391.18 × 6,447.64
  4. Step 4: Simplify right side
    19,591.24x = 189,503,747.82
  5. Step 5: Solve for x
    x = 189,503,747.82/19,591.24
  6. Step 6: Final answer
    x = 9,672.88

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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.