Home / 14,659.88-20,230.83-8,372.25

Finding the Fourth Proportional to 14,659.88, 20,230.83 and 8,372.25

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Solution

The fourth proportional to 14,659.88, 20,230.83 and 8,372.25 is: 11,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.88 : 20,230.83 = 8,372.25 : x
  2. Step 2: Convert to fraction form
    14,659.88/20,230.83 = 8,372.25/x
  3. Step 3: Cross multiply
    14,659.88x = 20,230.83 × 8,372.25
  4. Step 4: Simplify right side
    14,659.88x = 169,377,566.47
  5. Step 5: Solve for x
    x = 169,377,566.47/14,659.88
  6. Step 6: Final answer
    x = 11,553.82

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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.