Home / 10,248.30-15,372.42-3,228.90

Finding the Fourth Proportional to 10,248.30, 15,372.42 and 3,228.90

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Solution

The fourth proportional to 10,248.30, 15,372.42 and 3,228.90 is: 4,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.30 : 15,372.42 = 3,228.90 : x
  2. Step 2: Convert to fraction form
    10,248.30/15,372.42 = 3,228.90/x
  3. Step 3: Cross multiply
    10,248.30x = 15,372.42 × 3,228.90
  4. Step 4: Simplify right side
    10,248.30x = 49,636,006.94
  5. Step 5: Solve for x
    x = 49,636,006.94/10,248.30
  6. Step 6: Final answer
    x = 4,843.34

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1.5x scale

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.