Home / 20,018.08-30,016.86-6,866.92

Finding the Fourth Proportional to 20,018.08, 30,016.86 and 6,866.92

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Solution

The fourth proportional to 20,018.08, 30,016.86 and 6,866.92 is: 10,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.08 : 30,016.86 = 6,866.92 : x
  2. Step 2: Convert to fraction form
    20,018.08/30,016.86 = 6,866.92/x
  3. Step 3: Cross multiply
    20,018.08x = 30,016.86 × 6,866.92
  4. Step 4: Simplify right side
    20,018.08x = 206,123,376.27
  5. Step 5: Solve for x
    x = 206,123,376.27/20,018.08
  6. Step 6: Final answer
    x = 10,296.86

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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.