Home / 12,177.08-18,273.66-5,603

Finding the Fourth Proportional to 12,177.08, 18,273.66 and 5,603

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Solution

The fourth proportional to 12,177.08, 18,273.66 and 5,603 is: 8,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.08 : 18,273.66 = 5,603 : x
  2. Step 2: Convert to fraction form
    12,177.08/18,273.66 = 5,603/x
  3. Step 3: Cross multiply
    12,177.08x = 18,273.66 × 5,603
  4. Step 4: Simplify right side
    12,177.08x = 102,387,316.98
  5. Step 5: Solve for x
    x = 102,387,316.98/12,177.08
  6. Step 6: Final answer
    x = 8,408.20

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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.