Home / 10,340.97-15,506.79-2,943.64

Finding the Fourth Proportional to 10,340.97, 15,506.79 and 2,943.64

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Solution

The fourth proportional to 10,340.97, 15,506.79 and 2,943.64 is: 4,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.97 : 15,506.79 = 2,943.64 : x
  2. Step 2: Convert to fraction form
    10,340.97/15,506.79 = 2,943.64/x
  3. Step 3: Cross multiply
    10,340.97x = 15,506.79 × 2,943.64
  4. Step 4: Simplify right side
    10,340.97x = 45,646,407.32
  5. Step 5: Solve for x
    x = 45,646,407.32/10,340.97
  6. Step 6: Final answer
    x = 4,414.13

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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.