Home / 10,508.80-15,765.24-3,012.40

Finding the Fourth Proportional to 10,508.80, 15,765.24 and 3,012.40

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Solution

The fourth proportional to 10,508.80, 15,765.24 and 3,012.40 is: 4,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.80 : 15,765.24 = 3,012.40 : x
  2. Step 2: Convert to fraction form
    10,508.80/15,765.24 = 3,012.40/x
  3. Step 3: Cross multiply
    10,508.80x = 15,765.24 × 3,012.40
  4. Step 4: Simplify right side
    10,508.80x = 47,491,208.98
  5. Step 5: Solve for x
    x = 47,491,208.98/10,508.80
  6. Step 6: Final answer
    x = 4,519.18

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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.