Home / 10,180.32-15,272.86-3,159.96

Finding the Fourth Proportional to 10,180.32, 15,272.86 and 3,159.96

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Solution

The fourth proportional to 10,180.32, 15,272.86 and 3,159.96 is: 4,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.32 : 15,272.86 = 3,159.96 : x
  2. Step 2: Convert to fraction form
    10,180.32/15,272.86 = 3,159.96/x
  3. Step 3: Cross multiply
    10,180.32x = 15,272.86 × 3,159.96
  4. Step 4: Simplify right side
    10,180.32x = 48,261,626.69
  5. Step 5: Solve for x
    x = 48,261,626.69/10,180.32
  6. Step 6: Final answer
    x = 4,740.68

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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.