Home / 17,945.13-24,761.82-9,986.26

Finding the Fourth Proportional to 17,945.13, 24,761.82 and 9,986.26

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Solution

The fourth proportional to 17,945.13, 24,761.82 and 9,986.26 is: 13,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.13 : 24,761.82 = 9,986.26 : x
  2. Step 2: Convert to fraction form
    17,945.13/24,761.82 = 9,986.26/x
  3. Step 3: Cross multiply
    17,945.13x = 24,761.82 × 9,986.26
  4. Step 4: Simplify right side
    17,945.13x = 247,277,972.59
  5. Step 5: Solve for x
    x = 247,277,972.59/17,945.13
  6. Step 6: Final answer
    x = 13,779.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.