Home / 10,246.16-15,362.22-3,672.20

Finding the Fourth Proportional to 10,246.16, 15,362.22 and 3,672.20

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Solution

The fourth proportional to 10,246.16, 15,362.22 and 3,672.20 is: 5,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.16 : 15,362.22 = 3,672.20 : x
  2. Step 2: Convert to fraction form
    10,246.16/15,362.22 = 3,672.20/x
  3. Step 3: Cross multiply
    10,246.16x = 15,362.22 × 3,672.20
  4. Step 4: Simplify right side
    10,246.16x = 56,413,144.28
  5. Step 5: Solve for x
    x = 56,413,144.28/10,246.16
  6. Step 6: Final answer
    x = 5,505.78

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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.