Home / 11,079.70-16,619.55-5,247.70

Finding the Fourth Proportional to 11,079.70, 16,619.55 and 5,247.70

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Solution

The fourth proportional to 11,079.70, 16,619.55 and 5,247.70 is: 7,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.70 : 16,619.55 = 5,247.70 : x
  2. Step 2: Convert to fraction form
    11,079.70/16,619.55 = 5,247.70/x
  3. Step 3: Cross multiply
    11,079.70x = 16,619.55 × 5,247.70
  4. Step 4: Simplify right side
    11,079.70x = 87,214,412.54
  5. Step 5: Solve for x
    x = 87,214,412.54/11,079.70
  6. Step 6: Final answer
    x = 7,871.55

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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.