Home / 10,446.80-15,669.99-2,655.61

Finding the Fourth Proportional to 10,446.80, 15,669.99 and 2,655.61

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Solution

The fourth proportional to 10,446.80, 15,669.99 and 2,655.61 is: 3,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.80 : 15,669.99 = 2,655.61 : x
  2. Step 2: Convert to fraction form
    10,446.80/15,669.99 = 2,655.61/x
  3. Step 3: Cross multiply
    10,446.80x = 15,669.99 × 2,655.61
  4. Step 4: Simplify right side
    10,446.80x = 41,613,342.97
  5. Step 5: Solve for x
    x = 41,613,342.97/10,446.80
  6. Step 6: Final answer
    x = 3,983.36

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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.