Home / 11,020.28-16,532.84-5,173.68

Finding the Fourth Proportional to 11,020.28, 16,532.84 and 5,173.68

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Solution

The fourth proportional to 11,020.28, 16,532.84 and 5,173.68 is: 7,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.28 : 16,532.84 = 5,173.68 : x
  2. Step 2: Convert to fraction form
    11,020.28/16,532.84 = 5,173.68/x
  3. Step 3: Cross multiply
    11,020.28x = 16,532.84 × 5,173.68
  4. Step 4: Simplify right side
    11,020.28x = 85,535,623.65
  5. Step 5: Solve for x
    x = 85,535,623.65/11,020.28
  6. Step 6: Final answer
    x = 7,761.66

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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.