Home / 10,516.88-15,775.26-3,497.43

Finding the Fourth Proportional to 10,516.88, 15,775.26 and 3,497.43

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Solution

The fourth proportional to 10,516.88, 15,775.26 and 3,497.43 is: 5,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.88 : 15,775.26 = 3,497.43 : x
  2. Step 2: Convert to fraction form
    10,516.88/15,775.26 = 3,497.43/x
  3. Step 3: Cross multiply
    10,516.88x = 15,775.26 × 3,497.43
  4. Step 4: Simplify right side
    10,516.88x = 55,172,867.58
  5. Step 5: Solve for x
    x = 55,172,867.58/10,516.88
  6. Step 6: Final answer
    x = 5,246.13

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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.