Home / 10,526.22-15,789.47-3,411.78

Finding the Fourth Proportional to 10,526.22, 15,789.47 and 3,411.78

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Solution

The fourth proportional to 10,526.22, 15,789.47 and 3,411.78 is: 5,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.22 : 15,789.47 = 3,411.78 : x
  2. Step 2: Convert to fraction form
    10,526.22/15,789.47 = 3,411.78/x
  3. Step 3: Cross multiply
    10,526.22x = 15,789.47 × 3,411.78
  4. Step 4: Simplify right side
    10,526.22x = 53,870,180.90
  5. Step 5: Solve for x
    x = 53,870,180.90/10,526.22
  6. Step 6: Final answer
    x = 5,117.71

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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.