Home / 11,115.70-16,673.55-5,586.10

Finding the Fourth Proportional to 11,115.70, 16,673.55 and 5,586.10

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Solution

The fourth proportional to 11,115.70, 16,673.55 and 5,586.10 is: 8,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.70 : 16,673.55 = 5,586.10 : x
  2. Step 2: Convert to fraction form
    11,115.70/16,673.55 = 5,586.10/x
  3. Step 3: Cross multiply
    11,115.70x = 16,673.55 × 5,586.10
  4. Step 4: Simplify right side
    11,115.70x = 93,140,117.66
  5. Step 5: Solve for x
    x = 93,140,117.66/11,115.70
  6. Step 6: Final answer
    x = 8,379.15

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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.