Home / 14,694.01-20,278.99-8,321.72

Finding the Fourth Proportional to 14,694.01, 20,278.99 and 8,321.72

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Solution

The fourth proportional to 14,694.01, 20,278.99 and 8,321.72 is: 11,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.01 : 20,278.99 = 8,321.72 : x
  2. Step 2: Convert to fraction form
    14,694.01/20,278.99 = 8,321.72/x
  3. Step 3: Cross multiply
    14,694.01x = 20,278.99 × 8,321.72
  4. Step 4: Simplify right side
    14,694.01x = 168,755,933.66
  5. Step 5: Solve for x
    x = 168,755,933.66/14,694.01
  6. Step 6: Final answer
    x = 11,484.68

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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.