Home / 16,675.38-25,025.40-7,910.28

Finding the Fourth Proportional to 16,675.38, 25,025.40 and 7,910.28

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Solution

The fourth proportional to 16,675.38, 25,025.40 and 7,910.28 is: 11,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.38 : 25,025.40 = 7,910.28 : x
  2. Step 2: Convert to fraction form
    16,675.38/25,025.40 = 7,910.28/x
  3. Step 3: Cross multiply
    16,675.38x = 25,025.40 × 7,910.28
  4. Step 4: Simplify right side
    16,675.38x = 197,957,921.11
  5. Step 5: Solve for x
    x = 197,957,921.11/16,675.38
  6. Step 6: Final answer
    x = 11,871.27

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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.