Home / 25,174.38-37,761.56-11,986.77

Finding the Fourth Proportional to 25,174.38, 37,761.56 and 11,986.77

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Solution

The fourth proportional to 25,174.38, 37,761.56 and 11,986.77 is: 17,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.38 : 37,761.56 = 11,986.77 : x
  2. Step 2: Convert to fraction form
    25,174.38/37,761.56 = 11,986.77/x
  3. Step 3: Cross multiply
    25,174.38x = 37,761.56 × 11,986.77
  4. Step 4: Simplify right side
    25,174.38x = 452,638,945.75
  5. Step 5: Solve for x
    x = 452,638,945.75/25,174.38
  6. Step 6: Final answer
    x = 17,980.15

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1.5x scale

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.