Home / 12,201.66-18,288.36-5,614.02

Finding the Fourth Proportional to 12,201.66, 18,288.36 and 5,614.02

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Solution

The fourth proportional to 12,201.66, 18,288.36 and 5,614.02 is: 8,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.66 : 18,288.36 = 5,614.02 : x
  2. Step 2: Convert to fraction form
    12,201.66/18,288.36 = 5,614.02/x
  3. Step 3: Cross multiply
    12,201.66x = 18,288.36 × 5,614.02
  4. Step 4: Simplify right side
    12,201.66x = 102,671,218.81
  5. Step 5: Solve for x
    x = 102,671,218.81/12,201.66
  6. Step 6: Final answer
    x = 8,414.53

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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.