Home / 12,242.66-18,363.46-3,923.10

Finding the Fourth Proportional to 12,242.66, 18,363.46 and 3,923.10

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Solution

The fourth proportional to 12,242.66, 18,363.46 and 3,923.10 is: 5,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.66 : 18,363.46 = 3,923.10 : x
  2. Step 2: Convert to fraction form
    12,242.66/18,363.46 = 3,923.10/x
  3. Step 3: Cross multiply
    12,242.66x = 18,363.46 × 3,923.10
  4. Step 4: Simplify right side
    12,242.66x = 72,041,687.47
  5. Step 5: Solve for x
    x = 72,041,687.47/12,242.66
  6. Step 6: Final answer
    x = 5,884.48

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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.