Home / 10,154.28-15,233.82-3,228.78

Finding the Fourth Proportional to 10,154.28, 15,233.82 and 3,228.78

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Solution

The fourth proportional to 10,154.28, 15,233.82 and 3,228.78 is: 4,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.28 : 15,233.82 = 3,228.78 : x
  2. Step 2: Convert to fraction form
    10,154.28/15,233.82 = 3,228.78/x
  3. Step 3: Cross multiply
    10,154.28x = 15,233.82 × 3,228.78
  4. Step 4: Simplify right side
    10,154.28x = 49,186,653.34
  5. Step 5: Solve for x
    x = 49,186,653.34/10,154.28
  6. Step 6: Final answer
    x = 4,843.93

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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.