Home / 12,238.02-18,356.41-3,471.79

Finding the Fourth Proportional to 12,238.02, 18,356.41 and 3,471.79

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Solution

The fourth proportional to 12,238.02, 18,356.41 and 3,471.79 is: 5,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.02 : 18,356.41 = 3,471.79 : x
  2. Step 2: Convert to fraction form
    12,238.02/18,356.41 = 3,471.79/x
  3. Step 3: Cross multiply
    12,238.02x = 18,356.41 × 3,471.79
  4. Step 4: Simplify right side
    12,238.02x = 63,729,600.67
  5. Step 5: Solve for x
    x = 63,729,600.67/12,238.02
  6. Step 6: Final answer
    x = 5,207.51

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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.