Home / 12,494.86-18,748.40-5,473.91

Finding the Fourth Proportional to 12,494.86, 18,748.40 and 5,473.91

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Solution

The fourth proportional to 12,494.86, 18,748.40 and 5,473.91 is: 8,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.86 : 18,748.40 = 5,473.91 : x
  2. Step 2: Convert to fraction form
    12,494.86/18,748.40 = 5,473.91/x
  3. Step 3: Cross multiply
    12,494.86x = 18,748.40 × 5,473.91
  4. Step 4: Simplify right side
    12,494.86x = 102,627,073.75
  5. Step 5: Solve for x
    x = 102,627,073.75/12,494.86
  6. Step 6: Final answer
    x = 8,213.54

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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.