Home / 10,104.80-15,156.86-2,708.86

Finding the Fourth Proportional to 10,104.80, 15,156.86 and 2,708.86

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Solution

The fourth proportional to 10,104.80, 15,156.86 and 2,708.86 is: 4,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.80 : 15,156.86 = 2,708.86 : x
  2. Step 2: Convert to fraction form
    10,104.80/15,156.86 = 2,708.86/x
  3. Step 3: Cross multiply
    10,104.80x = 15,156.86 × 2,708.86
  4. Step 4: Simplify right side
    10,104.80x = 41,057,811.78
  5. Step 5: Solve for x
    x = 41,057,811.78/10,104.80
  6. Step 6: Final answer
    x = 4,063.20

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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.