Home / 10,346.66-15,515.44-2,949.44

Finding the Fourth Proportional to 10,346.66, 15,515.44 and 2,949.44

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Solution

The fourth proportional to 10,346.66, 15,515.44 and 2,949.44 is: 4,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.66 : 15,515.44 = 2,949.44 : x
  2. Step 2: Convert to fraction form
    10,346.66/15,515.44 = 2,949.44/x
  3. Step 3: Cross multiply
    10,346.66x = 15,515.44 × 2,949.44
  4. Step 4: Simplify right side
    10,346.66x = 45,761,859.35
  5. Step 5: Solve for x
    x = 45,761,859.35/10,346.66
  6. Step 6: Final answer
    x = 4,422.86

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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.