Home / 6,675.20-10,013.56-1,995.47

Finding the Fourth Proportional to 6,675.20, 10,013.56 and 1,995.47

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Solution

The fourth proportional to 6,675.20, 10,013.56 and 1,995.47 is: 2,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.20 : 10,013.56 = 1,995.47 : x
  2. Step 2: Convert to fraction form
    6,675.20/10,013.56 = 1,995.47/x
  3. Step 3: Cross multiply
    6,675.20x = 10,013.56 × 1,995.47
  4. Step 4: Simplify right side
    6,675.20x = 19,981,758.57
  5. Step 5: Solve for x
    x = 19,981,758.57/6,675.20
  6. Step 6: Final answer
    x = 2,993.43

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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.