Home / 16,819.40-25,208.85-9,785.90

Finding the Fourth Proportional to 16,819.40, 25,208.85 and 9,785.90

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Solution

The fourth proportional to 16,819.40, 25,208.85 and 9,785.90 is: 14,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.40 : 25,208.85 = 9,785.90 : x
  2. Step 2: Convert to fraction form
    16,819.40/25,208.85 = 9,785.90/x
  3. Step 3: Cross multiply
    16,819.40x = 25,208.85 × 9,785.90
  4. Step 4: Simplify right side
    16,819.40x = 246,691,285.22
  5. Step 5: Solve for x
    x = 246,691,285.22/16,819.40
  6. Step 6: Final answer
    x = 14,667.07

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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.