Home / 15,046.11-20,748.42-10,003.86

Finding the Fourth Proportional to 15,046.11, 20,748.42 and 10,003.86

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Solution

The fourth proportional to 15,046.11, 20,748.42 and 10,003.86 is: 13,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.11 : 20,748.42 = 10,003.86 : x
  2. Step 2: Convert to fraction form
    15,046.11/20,748.42 = 10,003.86/x
  3. Step 3: Cross multiply
    15,046.11x = 20,748.42 × 10,003.86
  4. Step 4: Simplify right side
    15,046.11x = 207,564,288.90
  5. Step 5: Solve for x
    x = 207,564,288.90/15,046.11
  6. Step 6: Final answer
    x = 13,795.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.