Home / 12,424.26-17,149.93-7,388.46

Finding the Fourth Proportional to 12,424.26, 17,149.93 and 7,388.46

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Solution

The fourth proportional to 12,424.26, 17,149.93 and 7,388.46 is: 10,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.26 : 17,149.93 = 7,388.46 : x
  2. Step 2: Convert to fraction form
    12,424.26/17,149.93 = 7,388.46/x
  3. Step 3: Cross multiply
    12,424.26x = 17,149.93 × 7,388.46
  4. Step 4: Simplify right side
    12,424.26x = 126,711,534.87
  5. Step 5: Solve for x
    x = 126,711,534.87/12,424.26
  6. Step 6: Final answer
    x = 10,198.72

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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.