Home / 14,713.62-20,305.19-7,999.70

Finding the Fourth Proportional to 14,713.62, 20,305.19 and 7,999.70

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Solution

The fourth proportional to 14,713.62, 20,305.19 and 7,999.70 is: 11,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.62 : 20,305.19 = 7,999.70 : x
  2. Step 2: Convert to fraction form
    14,713.62/20,305.19 = 7,999.70/x
  3. Step 3: Cross multiply
    14,713.62x = 20,305.19 × 7,999.70
  4. Step 4: Simplify right side
    14,713.62x = 162,435,428.44
  5. Step 5: Solve for x
    x = 162,435,428.44/14,713.62
  6. Step 6: Final answer
    x = 11,039.80

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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.