Home / 15,969.38-22,037.74-8,896.25

Finding the Fourth Proportional to 15,969.38, 22,037.74 and 8,896.25

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Solution

The fourth proportional to 15,969.38, 22,037.74 and 8,896.25 is: 12,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.38 : 22,037.74 = 8,896.25 : x
  2. Step 2: Convert to fraction form
    15,969.38/22,037.74 = 8,896.25/x
  3. Step 3: Cross multiply
    15,969.38x = 22,037.74 × 8,896.25
  4. Step 4: Simplify right side
    15,969.38x = 196,053,277.33
  5. Step 5: Solve for x
    x = 196,053,277.33/15,969.38
  6. Step 6: Final answer
    x = 12,276.83

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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.