Home / 12,232.96-18,340.45-3,908.20

Finding the Fourth Proportional to 12,232.96, 18,340.45 and 3,908.20

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Solution

The fourth proportional to 12,232.96, 18,340.45 and 3,908.20 is: 5,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.96 : 18,340.45 = 3,908.20 : x
  2. Step 2: Convert to fraction form
    12,232.96/18,340.45 = 3,908.20/x
  3. Step 3: Cross multiply
    12,232.96x = 18,340.45 × 3,908.20
  4. Step 4: Simplify right side
    12,232.96x = 71,678,146.69
  5. Step 5: Solve for x
    x = 71,678,146.69/12,232.96
  6. Step 6: Final answer
    x = 5,859.43

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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.