Home / 12,550.64-17,320.28-7,245.36

Finding the Fourth Proportional to 12,550.64, 17,320.28 and 7,245.36

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Solution

The fourth proportional to 12,550.64, 17,320.28 and 7,245.36 is: 9,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.64 : 17,320.28 = 7,245.36 : x
  2. Step 2: Convert to fraction form
    12,550.64/17,320.28 = 7,245.36/x
  3. Step 3: Cross multiply
    12,550.64x = 17,320.28 × 7,245.36
  4. Step 4: Simplify right side
    12,550.64x = 125,491,663.90
  5. Step 5: Solve for x
    x = 125,491,663.90/12,550.64
  6. Step 6: Final answer
    x = 9,998.83

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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.