Home / 16,905.92-25,360.29-5,218.83

Finding the Fourth Proportional to 16,905.92, 25,360.29 and 5,218.83

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Solution

The fourth proportional to 16,905.92, 25,360.29 and 5,218.83 is: 7,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.92 : 25,360.29 = 5,218.83 : x
  2. Step 2: Convert to fraction form
    16,905.92/25,360.29 = 5,218.83/x
  3. Step 3: Cross multiply
    16,905.92x = 25,360.29 × 5,218.83
  4. Step 4: Simplify right side
    16,905.92x = 132,351,042.26
  5. Step 5: Solve for x
    x = 132,351,042.26/16,905.92
  6. Step 6: Final answer
    x = 7,828.68

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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.