Home / 16,920.28-25,382.85-5,230.77

Finding the Fourth Proportional to 16,920.28, 25,382.85 and 5,230.77

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Solution

The fourth proportional to 16,920.28, 25,382.85 and 5,230.77 is: 7,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.28 : 25,382.85 = 5,230.77 : x
  2. Step 2: Convert to fraction form
    16,920.28/25,382.85 = 5,230.77/x
  3. Step 3: Cross multiply
    16,920.28x = 25,382.85 × 5,230.77
  4. Step 4: Simplify right side
    16,920.28x = 132,771,850.29
  5. Step 5: Solve for x
    x = 132,771,850.29/16,920.28
  6. Step 6: Final answer
    x = 7,846.91

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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.