Home / 11,034.18-16,555.68-5,191.20

Finding the Fourth Proportional to 11,034.18, 16,555.68 and 5,191.20

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Solution

The fourth proportional to 11,034.18, 16,555.68 and 5,191.20 is: 7,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.18 : 16,555.68 = 5,191.20 : x
  2. Step 2: Convert to fraction form
    11,034.18/16,555.68 = 5,191.20/x
  3. Step 3: Cross multiply
    11,034.18x = 16,555.68 × 5,191.20
  4. Step 4: Simplify right side
    11,034.18x = 85,943,846.02
  5. Step 5: Solve for x
    x = 85,943,846.02/11,034.18
  6. Step 6: Final answer
    x = 7,788.87

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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.