Home / 14,249.20-19,659.54-8,279.73

Finding the Fourth Proportional to 14,249.20, 19,659.54 and 8,279.73

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Solution

The fourth proportional to 14,249.20, 19,659.54 and 8,279.73 is: 11,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.20 : 19,659.54 = 8,279.73 : x
  2. Step 2: Convert to fraction form
    14,249.20/19,659.54 = 8,279.73/x
  3. Step 3: Cross multiply
    14,249.20x = 19,659.54 × 8,279.73
  4. Step 4: Simplify right side
    14,249.20x = 162,775,683.12
  5. Step 5: Solve for x
    x = 162,775,683.12/14,249.20
  6. Step 6: Final answer
    x = 11,423.50

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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.