Home / 10,339.10-15,506.33-2,943.40

Finding the Fourth Proportional to 10,339.10, 15,506.33 and 2,943.40

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Solution

The fourth proportional to 10,339.10, 15,506.33 and 2,943.40 is: 4,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.10 : 15,506.33 = 2,943.40 : x
  2. Step 2: Convert to fraction form
    10,339.10/15,506.33 = 2,943.40/x
  3. Step 3: Cross multiply
    10,339.10x = 15,506.33 × 2,943.40
  4. Step 4: Simplify right side
    10,339.10x = 45,641,278.24
  5. Step 5: Solve for x
    x = 45,641,278.24/10,339.10
  6. Step 6: Final answer
    x = 4,414.43

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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.