Home / 20,017.08-30,015.36-6,865.92

Finding the Fourth Proportional to 20,017.08, 30,015.36 and 6,865.92

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Solution

The fourth proportional to 20,017.08, 30,015.36 and 6,865.92 is: 10,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.08 : 30,015.36 = 6,865.92 : x
  2. Step 2: Convert to fraction form
    20,017.08/30,015.36 = 6,865.92/x
  3. Step 3: Cross multiply
    20,017.08x = 30,015.36 × 6,865.92
  4. Step 4: Simplify right side
    20,017.08x = 206,083,060.53
  5. Step 5: Solve for x
    x = 206,083,060.53/20,017.08
  6. Step 6: Final answer
    x = 10,295.36

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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.