Home / 16,849.60-25,240.57-8,390.61

Finding the Fourth Proportional to 16,849.60, 25,240.57 and 8,390.61

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Solution

The fourth proportional to 16,849.60, 25,240.57 and 8,390.61 is: 12,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.60 : 25,240.57 = 8,390.61 : x
  2. Step 2: Convert to fraction form
    16,849.60/25,240.57 = 8,390.61/x
  3. Step 3: Cross multiply
    16,849.60x = 25,240.57 × 8,390.61
  4. Step 4: Simplify right side
    16,849.60x = 211,783,758.07
  5. Step 5: Solve for x
    x = 211,783,758.07/16,849.60
  6. Step 6: Final answer
    x = 12,569.07

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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.