Home / 15,291.86-22,937.82-4,198.70

Finding the Fourth Proportional to 15,291.86, 22,937.82 and 4,198.70

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Solution

The fourth proportional to 15,291.86, 22,937.82 and 4,198.70 is: 6,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.86 : 22,937.82 = 4,198.70 : x
  2. Step 2: Convert to fraction form
    15,291.86/22,937.82 = 4,198.70/x
  3. Step 3: Cross multiply
    15,291.86x = 22,937.82 × 4,198.70
  4. Step 4: Simplify right side
    15,291.86x = 96,308,910.14
  5. Step 5: Solve for x
    x = 96,308,910.14/15,291.86
  6. Step 6: Final answer
    x = 6,298.05

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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.