Home / 14,691.24-20,273.82-8,403.72

Finding the Fourth Proportional to 14,691.24, 20,273.82 and 8,403.72

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Solution

The fourth proportional to 14,691.24, 20,273.82 and 8,403.72 is: 11,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.24 : 20,273.82 = 8,403.72 : x
  2. Step 2: Convert to fraction form
    14,691.24/20,273.82 = 8,403.72/x
  3. Step 3: Cross multiply
    14,691.24x = 20,273.82 × 8,403.72
  4. Step 4: Simplify right side
    14,691.24x = 170,375,506.61
  5. Step 5: Solve for x
    x = 170,375,506.61/14,691.24
  6. Step 6: Final answer
    x = 11,597.08

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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.