Home / 10,227.09-15,334.56-3,205.20

Finding the Fourth Proportional to 10,227.09, 15,334.56 and 3,205.20

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Solution

The fourth proportional to 10,227.09, 15,334.56 and 3,205.20 is: 4,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.09 : 15,334.56 = 3,205.20 : x
  2. Step 2: Convert to fraction form
    10,227.09/15,334.56 = 3,205.20/x
  3. Step 3: Cross multiply
    10,227.09x = 15,334.56 × 3,205.20
  4. Step 4: Simplify right side
    10,227.09x = 49,150,331.71
  5. Step 5: Solve for x
    x = 49,150,331.71/10,227.09
  6. Step 6: Final answer
    x = 4,805.90

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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.