Home / 10,562.38-15,838.90-3,165.46

Finding the Fourth Proportional to 10,562.38, 15,838.90 and 3,165.46

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Solution

The fourth proportional to 10,562.38, 15,838.90 and 3,165.46 is: 4,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.38 : 15,838.90 = 3,165.46 : x
  2. Step 2: Convert to fraction form
    10,562.38/15,838.90 = 3,165.46/x
  3. Step 3: Cross multiply
    10,562.38x = 15,838.90 × 3,165.46
  4. Step 4: Simplify right side
    10,562.38x = 50,137,356.88
  5. Step 5: Solve for x
    x = 50,137,356.88/10,562.38
  6. Step 6: Final answer
    x = 4,746.79

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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.