Home / 10,645.17-15,966.77-5,021.55

Finding the Fourth Proportional to 10,645.17, 15,966.77 and 5,021.55

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Solution

The fourth proportional to 10,645.17, 15,966.77 and 5,021.55 is: 7,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.17 : 15,966.77 = 5,021.55 : x
  2. Step 2: Convert to fraction form
    10,645.17/15,966.77 = 5,021.55/x
  3. Step 3: Cross multiply
    10,645.17x = 15,966.77 × 5,021.55
  4. Step 4: Simplify right side
    10,645.17x = 80,177,933.89
  5. Step 5: Solve for x
    x = 80,177,933.89/10,645.17
  6. Step 6: Final answer
    x = 7,531.86

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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.