Home / 10,648.08-15,969.92-10,121.22

Finding the Fourth Proportional to 10,648.08, 15,969.92 and 10,121.22

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Solution

The fourth proportional to 10,648.08, 15,969.92 and 10,121.22 is: 15,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.08 : 15,969.92 = 10,121.22 : x
  2. Step 2: Convert to fraction form
    10,648.08/15,969.92 = 10,121.22/x
  3. Step 3: Cross multiply
    10,648.08x = 15,969.92 × 10,121.22
  4. Step 4: Simplify right side
    10,648.08x = 161,635,023.10
  5. Step 5: Solve for x
    x = 161,635,023.10/10,648.08
  6. Step 6: Final answer
    x = 15,179.73

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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.