Home / 17,081.30-25,620.90-6,405.54

Finding the Fourth Proportional to 17,081.30, 25,620.90 and 6,405.54

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Solution

The fourth proportional to 17,081.30, 25,620.90 and 6,405.54 is: 9,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.30 : 25,620.90 = 6,405.54 : x
  2. Step 2: Convert to fraction form
    17,081.30/25,620.90 = 6,405.54/x
  3. Step 3: Cross multiply
    17,081.30x = 25,620.90 × 6,405.54
  4. Step 4: Simplify right side
    17,081.30x = 164,115,699.79
  5. Step 5: Solve for x
    x = 164,115,699.79/17,081.30
  6. Step 6: Final answer
    x = 9,607.92

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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.