Home / 17,610.10-26,419.75-5,129.87

Finding the Fourth Proportional to 17,610.10, 26,419.75 and 5,129.87

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Solution

The fourth proportional to 17,610.10, 26,419.75 and 5,129.87 is: 7,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.10 : 26,419.75 = 5,129.87 : x
  2. Step 2: Convert to fraction form
    17,610.10/26,419.75 = 5,129.87/x
  3. Step 3: Cross multiply
    17,610.10x = 26,419.75 × 5,129.87
  4. Step 4: Simplify right side
    17,610.10x = 135,529,738.01
  5. Step 5: Solve for x
    x = 135,529,738.01/17,610.10
  6. Step 6: Final answer
    x = 7,696.14

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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.