Home / 17,660.90-26,495.42-5,181.88

Finding the Fourth Proportional to 17,660.90, 26,495.42 and 5,181.88

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Solution

The fourth proportional to 17,660.90, 26,495.42 and 5,181.88 is: 7,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.90 : 26,495.42 = 5,181.88 : x
  2. Step 2: Convert to fraction form
    17,660.90/26,495.42 = 5,181.88/x
  3. Step 3: Cross multiply
    17,660.90x = 26,495.42 × 5,181.88
  4. Step 4: Simplify right side
    17,660.90x = 137,296,086.99
  5. Step 5: Solve for x
    x = 137,296,086.99/17,660.90
  6. Step 6: Final answer
    x = 7,774.01

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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.