Home / 10,665.98-15,998.24-4,423.66

Finding the Fourth Proportional to 10,665.98, 15,998.24 and 4,423.66

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Solution

The fourth proportional to 10,665.98, 15,998.24 and 4,423.66 is: 6,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.98 : 15,998.24 = 4,423.66 : x
  2. Step 2: Convert to fraction form
    10,665.98/15,998.24 = 4,423.66/x
  3. Step 3: Cross multiply
    10,665.98x = 15,998.24 × 4,423.66
  4. Step 4: Simplify right side
    10,665.98x = 70,770,774.36
  5. Step 5: Solve for x
    x = 70,770,774.36/10,665.98
  6. Step 6: Final answer
    x = 6,635.19

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Similar ratio
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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.