Home / 12,178.80-18,253.50-5,595.96

Finding the Fourth Proportional to 12,178.80, 18,253.50 and 5,595.96

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Solution

The fourth proportional to 12,178.80, 18,253.50 and 5,595.96 is: 8,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.80 : 18,253.50 = 5,595.96 : x
  2. Step 2: Convert to fraction form
    12,178.80/18,253.50 = 5,595.96/x
  3. Step 3: Cross multiply
    12,178.80x = 18,253.50 × 5,595.96
  4. Step 4: Simplify right side
    12,178.80x = 102,145,855.86
  5. Step 5: Solve for x
    x = 102,145,855.86/12,178.80
  6. Step 6: Final answer
    x = 8,387.19

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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.