Home / 15,150.38-20,907.52-8,863.97

Finding the Fourth Proportional to 15,150.38, 20,907.52 and 8,863.97

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Solution

The fourth proportional to 15,150.38, 20,907.52 and 8,863.97 is: 12,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.38 : 20,907.52 = 8,863.97 : x
  2. Step 2: Convert to fraction form
    15,150.38/20,907.52 = 8,863.97/x
  3. Step 3: Cross multiply
    15,150.38x = 20,907.52 × 8,863.97
  4. Step 4: Simplify right side
    15,150.38x = 185,323,503.36
  5. Step 5: Solve for x
    x = 185,323,503.36/15,150.38
  6. Step 6: Final answer
    x = 12,232.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.