Home / 10,228.38-15,344.08-3,208.97

Finding the Fourth Proportional to 10,228.38, 15,344.08 and 3,208.97

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Solution

The fourth proportional to 10,228.38, 15,344.08 and 3,208.97 is: 4,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.38 : 15,344.08 = 3,208.97 : x
  2. Step 2: Convert to fraction form
    10,228.38/15,344.08 = 3,208.97/x
  3. Step 3: Cross multiply
    10,228.38x = 15,344.08 × 3,208.97
  4. Step 4: Simplify right side
    10,228.38x = 49,238,654.48
  5. Step 5: Solve for x
    x = 49,238,654.48/10,228.38
  6. Step 6: Final answer
    x = 4,813.93

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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.