Home / 10,233.80-15,358.90-5,304.85

Finding the Fourth Proportional to 10,233.80, 15,358.90 and 5,304.85

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Solution

The fourth proportional to 10,233.80, 15,358.90 and 5,304.85 is: 7,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.80 : 15,358.90 = 5,304.85 : x
  2. Step 2: Convert to fraction form
    10,233.80/15,358.90 = 5,304.85/x
  3. Step 3: Cross multiply
    10,233.80x = 15,358.90 × 5,304.85
  4. Step 4: Simplify right side
    10,233.80x = 81,476,609.01
  5. Step 5: Solve for x
    x = 81,476,609.01/10,233.80
  6. Step 6: Final answer
    x = 7,961.52

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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.