Home / 16,921.20-25,382.52-5,234.64

Finding the Fourth Proportional to 16,921.20, 25,382.52 and 5,234.64

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Solution

The fourth proportional to 16,921.20, 25,382.52 and 5,234.64 is: 7,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.20 : 25,382.52 = 5,234.64 : x
  2. Step 2: Convert to fraction form
    16,921.20/25,382.52 = 5,234.64/x
  3. Step 3: Cross multiply
    16,921.20x = 25,382.52 × 5,234.64
  4. Step 4: Simplify right side
    16,921.20x = 132,868,354.49
  5. Step 5: Solve for x
    x = 132,868,354.49/16,921.20
  6. Step 6: Final answer
    x = 7,852.18

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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.