Home / 16,819.40-25,229.10-6,947.83

Finding the Fourth Proportional to 16,819.40, 25,229.10 and 6,947.83

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Solution

The fourth proportional to 16,819.40, 25,229.10 and 6,947.83 is: 10,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.40 : 25,229.10 = 6,947.83 : x
  2. Step 2: Convert to fraction form
    16,819.40/25,229.10 = 6,947.83/x
  3. Step 3: Cross multiply
    16,819.40x = 25,229.10 × 6,947.83
  4. Step 4: Simplify right side
    16,819.40x = 175,287,497.85
  5. Step 5: Solve for x
    x = 175,287,497.85/16,819.40
  6. Step 6: Final answer
    x = 10,421.75

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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.