Home / 10,229.20-14,105.80-7,244.24

Finding the Fourth Proportional to 10,229.20, 14,105.80 and 7,244.24

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Solution

The fourth proportional to 10,229.20, 14,105.80 and 7,244.24 is: 9,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.20 : 14,105.80 = 7,244.24 : x
  2. Step 2: Convert to fraction form
    10,229.20/14,105.80 = 7,244.24/x
  3. Step 3: Cross multiply
    10,229.20x = 14,105.80 × 7,244.24
  4. Step 4: Simplify right side
    10,229.20x = 102,185,800.59
  5. Step 5: Solve for x
    x = 102,185,800.59/10,229.20
  6. Step 6: Final answer
    x = 9,989.62

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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.