Home / 14,343.20-21,514.96-4,481.76

Finding the Fourth Proportional to 14,343.20, 21,514.96 and 4,481.76

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Solution

The fourth proportional to 14,343.20, 21,514.96 and 4,481.76 is: 6,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.20 : 21,514.96 = 4,481.76 : x
  2. Step 2: Convert to fraction form
    14,343.20/21,514.96 = 4,481.76/x
  3. Step 3: Cross multiply
    14,343.20x = 21,514.96 × 4,481.76
  4. Step 4: Simplify right side
    14,343.20x = 96,424,887.13
  5. Step 5: Solve for x
    x = 96,424,887.13/14,343.20
  6. Step 6: Final answer
    x = 6,722.69

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1.5x scale

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.