Home / 15,494.72-23,236.45-8,479.91

Finding the Fourth Proportional to 15,494.72, 23,236.45 and 8,479.91

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Solution

The fourth proportional to 15,494.72, 23,236.45 and 8,479.91 is: 12,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.72 : 23,236.45 = 8,479.91 : x
  2. Step 2: Convert to fraction form
    15,494.72/23,236.45 = 8,479.91/x
  3. Step 3: Cross multiply
    15,494.72x = 23,236.45 × 8,479.91
  4. Step 4: Simplify right side
    15,494.72x = 197,043,041.61
  5. Step 5: Solve for x
    x = 197,043,041.61/15,494.72
  6. Step 6: Final answer
    x = 12,716.79

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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.