Home / 16,920.24-25,380.40-5,233.20

Finding the Fourth Proportional to 16,920.24, 25,380.40 and 5,233.20

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Solution

The fourth proportional to 16,920.24, 25,380.40 and 5,233.20 is: 7,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.24 : 25,380.40 = 5,233.20 : x
  2. Step 2: Convert to fraction form
    16,920.24/25,380.40 = 5,233.20/x
  3. Step 3: Cross multiply
    16,920.24x = 25,380.40 × 5,233.20
  4. Step 4: Simplify right side
    16,920.24x = 132,820,709.28
  5. Step 5: Solve for x
    x = 132,820,709.28/16,920.24
  6. Step 6: Final answer
    x = 7,849.81

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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.