Home / 17,971.11-26,961.08-5,491.35

Finding the Fourth Proportional to 17,971.11, 26,961.08 and 5,491.35

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Solution

The fourth proportional to 17,971.11, 26,961.08 and 5,491.35 is: 8,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.11 : 26,961.08 = 5,491.35 : x
  2. Step 2: Convert to fraction form
    17,971.11/26,961.08 = 5,491.35/x
  3. Step 3: Cross multiply
    17,971.11x = 26,961.08 × 5,491.35
  4. Step 4: Simplify right side
    17,971.11x = 148,052,699.20
  5. Step 5: Solve for x
    x = 148,052,699.20/17,971.11
  6. Step 6: Final answer
    x = 8,238.37

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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.