Home / 14,575.60-20,112.06-8,286.76

Finding the Fourth Proportional to 14,575.60, 20,112.06 and 8,286.76

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Solution

The fourth proportional to 14,575.60, 20,112.06 and 8,286.76 is: 11,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.60 : 20,112.06 = 8,286.76 : x
  2. Step 2: Convert to fraction form
    14,575.60/20,112.06 = 8,286.76/x
  3. Step 3: Cross multiply
    14,575.60x = 20,112.06 × 8,286.76
  4. Step 4: Simplify right side
    14,575.60x = 166,663,814.33
  5. Step 5: Solve for x
    x = 166,663,814.33/14,575.60
  6. Step 6: Final answer
    x = 11,434.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.