Home / 10,356.10-15,536.56-2,960.66

Finding the Fourth Proportional to 10,356.10, 15,536.56 and 2,960.66

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Solution

The fourth proportional to 10,356.10, 15,536.56 and 2,960.66 is: 4,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.10 : 15,536.56 = 2,960.66 : x
  2. Step 2: Convert to fraction form
    10,356.10/15,536.56 = 2,960.66/x
  3. Step 3: Cross multiply
    10,356.10x = 15,536.56 × 2,960.66
  4. Step 4: Simplify right side
    10,356.10x = 45,998,471.73
  5. Step 5: Solve for x
    x = 45,998,471.73/10,356.10
  6. Step 6: Final answer
    x = 4,441.68

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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.