Home / 10,286.72-15,430.62-3,267.29

Finding the Fourth Proportional to 10,286.72, 15,430.62 and 3,267.29

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Solution

The fourth proportional to 10,286.72, 15,430.62 and 3,267.29 is: 4,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.72 : 15,430.62 = 3,267.29 : x
  2. Step 2: Convert to fraction form
    10,286.72/15,430.62 = 3,267.29/x
  3. Step 3: Cross multiply
    10,286.72x = 15,430.62 × 3,267.29
  4. Step 4: Simplify right side
    10,286.72x = 50,416,310.42
  5. Step 5: Solve for x
    x = 50,416,310.42/10,286.72
  6. Step 6: Final answer
    x = 4,901.11

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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.