Home / 10,138.62-15,197.76-4,207.44

Finding the Fourth Proportional to 10,138.62, 15,197.76 and 4,207.44

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Solution

The fourth proportional to 10,138.62, 15,197.76 and 4,207.44 is: 6,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.62 : 15,197.76 = 4,207.44 : x
  2. Step 2: Convert to fraction form
    10,138.62/15,197.76 = 4,207.44/x
  3. Step 3: Cross multiply
    10,138.62x = 15,197.76 × 4,207.44
  4. Step 4: Simplify right side
    10,138.62x = 63,943,663.33
  5. Step 5: Solve for x
    x = 63,943,663.33/10,138.62
  6. Step 6: Final answer
    x = 6,306.94

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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.