Home / 12,259.08-18,375.12-5,244.84

Finding the Fourth Proportional to 12,259.08, 18,375.12 and 5,244.84

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Solution

The fourth proportional to 12,259.08, 18,375.12 and 5,244.84 is: 7,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.08 : 18,375.12 = 5,244.84 : x
  2. Step 2: Convert to fraction form
    12,259.08/18,375.12 = 5,244.84/x
  3. Step 3: Cross multiply
    12,259.08x = 18,375.12 × 5,244.84
  4. Step 4: Simplify right side
    12,259.08x = 96,374,564.38
  5. Step 5: Solve for x
    x = 96,374,564.38/12,259.08
  6. Step 6: Final answer
    x = 7,861.48

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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.