Home / 25,138.06-37,649.68-11,999.66

Finding the Fourth Proportional to 25,138.06, 37,649.68 and 11,999.66

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Solution

The fourth proportional to 25,138.06, 37,649.68 and 11,999.66 is: 17,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.06 : 37,649.68 = 11,999.66 : x
  2. Step 2: Convert to fraction form
    25,138.06/37,649.68 = 11,999.66/x
  3. Step 3: Cross multiply
    25,138.06x = 37,649.68 × 11,999.66
  4. Step 4: Simplify right side
    25,138.06x = 451,783,140.86
  5. Step 5: Solve for x
    x = 451,783,140.86/25,138.06
  6. Step 6: Final answer
    x = 17,972.08

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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.