Home / 10,451.97-15,677.53-2,660.98

Finding the Fourth Proportional to 10,451.97, 15,677.53 and 2,660.98

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Solution

The fourth proportional to 10,451.97, 15,677.53 and 2,660.98 is: 3,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.97 : 15,677.53 = 2,660.98 : x
  2. Step 2: Convert to fraction form
    10,451.97/15,677.53 = 2,660.98/x
  3. Step 3: Cross multiply
    10,451.97x = 15,677.53 × 2,660.98
  4. Step 4: Simplify right side
    10,451.97x = 41,717,593.78
  5. Step 5: Solve for x
    x = 41,717,593.78/10,451.97
  6. Step 6: Final answer
    x = 3,991.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.