Home / 9,034.20-13,542.12-6,112.80

Finding the Fourth Proportional to 9,034.20, 13,542.12 and 6,112.80

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Solution

The fourth proportional to 9,034.20, 13,542.12 and 6,112.80 is: 9,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,034.20 : 13,542.12 = 6,112.80 : x
  2. Step 2: Convert to fraction form
    9,034.20/13,542.12 = 6,112.80/x
  3. Step 3: Cross multiply
    9,034.20x = 13,542.12 × 6,112.80
  4. Step 4: Simplify right side
    9,034.20x = 82,780,271.14
  5. Step 5: Solve for x
    x = 82,780,271.14/9,034.20
  6. Step 6: Final answer
    x = 9,162.99

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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.