Home / 16,896.66-25,345.35-5,209.86

Finding the Fourth Proportional to 16,896.66, 25,345.35 and 5,209.86

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Solution

The fourth proportional to 16,896.66, 25,345.35 and 5,209.86 is: 7,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.66 : 25,345.35 = 5,209.86 : x
  2. Step 2: Convert to fraction form
    16,896.66/25,345.35 = 5,209.86/x
  3. Step 3: Cross multiply
    16,896.66x = 25,345.35 × 5,209.86
  4. Step 4: Simplify right side
    16,896.66x = 132,045,725.15
  5. Step 5: Solve for x
    x = 132,045,725.15/16,896.66
  6. Step 6: Final answer
    x = 7,814.90

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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.