Home / 10,305.46-14,221.50-5,589.73

Finding the Fourth Proportional to 10,305.46, 14,221.50 and 5,589.73

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Solution

The fourth proportional to 10,305.46, 14,221.50 and 5,589.73 is: 7,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.46 : 14,221.50 = 5,589.73 : x
  2. Step 2: Convert to fraction form
    10,305.46/14,221.50 = 5,589.73/x
  3. Step 3: Cross multiply
    10,305.46x = 14,221.50 × 5,589.73
  4. Step 4: Simplify right side
    10,305.46x = 79,494,345.20
  5. Step 5: Solve for x
    x = 79,494,345.20/10,305.46
  6. Step 6: Final answer
    x = 7,713.81

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Double scale
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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.