Home / 10,168.47-15,230.49-4,227.35

Finding the Fourth Proportional to 10,168.47, 15,230.49 and 4,227.35

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Solution

The fourth proportional to 10,168.47, 15,230.49 and 4,227.35 is: 6,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.47 : 15,230.49 = 4,227.35 : x
  2. Step 2: Convert to fraction form
    10,168.47/15,230.49 = 4,227.35/x
  3. Step 3: Cross multiply
    10,168.47x = 15,230.49 × 4,227.35
  4. Step 4: Simplify right side
    10,168.47x = 64,384,535.75
  5. Step 5: Solve for x
    x = 64,384,535.75/10,168.47
  6. Step 6: Final answer
    x = 6,331.78

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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.