Home / 20,013.44-30,016.80-6,866.24

Finding the Fourth Proportional to 20,013.44, 30,016.80 and 6,866.24

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Solution

The fourth proportional to 20,013.44, 30,016.80 and 6,866.24 is: 10,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.44 : 30,016.80 = 6,866.24 : x
  2. Step 2: Convert to fraction form
    20,013.44/30,016.80 = 6,866.24/x
  3. Step 3: Cross multiply
    20,013.44x = 30,016.80 × 6,866.24
  4. Step 4: Simplify right side
    20,013.44x = 206,102,552.83
  5. Step 5: Solve for x
    x = 206,102,552.83/20,013.44
  6. Step 6: Final answer
    x = 10,298.21

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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.