Home / 15,118.58-22,670.10-6,791.46

Finding the Fourth Proportional to 15,118.58, 22,670.10 and 6,791.46

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Solution

The fourth proportional to 15,118.58, 22,670.10 and 6,791.46 is: 10,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.58 : 22,670.10 = 6,791.46 : x
  2. Step 2: Convert to fraction form
    15,118.58/22,670.10 = 6,791.46/x
  3. Step 3: Cross multiply
    15,118.58x = 22,670.10 × 6,791.46
  4. Step 4: Simplify right side
    15,118.58x = 153,962,992.33
  5. Step 5: Solve for x
    x = 153,962,992.33/15,118.58
  6. Step 6: Final answer
    x = 10,183.69

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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.