Home / 10,338.08-15,505.74-2,943.20

Finding the Fourth Proportional to 10,338.08, 15,505.74 and 2,943.20

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Solution

The fourth proportional to 10,338.08, 15,505.74 and 2,943.20 is: 4,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.08 : 15,505.74 = 2,943.20 : x
  2. Step 2: Convert to fraction form
    10,338.08/15,505.74 = 2,943.20/x
  3. Step 3: Cross multiply
    10,338.08x = 15,505.74 × 2,943.20
  4. Step 4: Simplify right side
    10,338.08x = 45,636,493.97
  5. Step 5: Solve for x
    x = 45,636,493.97/10,338.08
  6. Step 6: Final answer
    x = 4,414.41

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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.