Home / 25,131.16-37,639.32-11,992.76

Finding the Fourth Proportional to 25,131.16, 37,639.32 and 11,992.76

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Solution

The fourth proportional to 25,131.16, 37,639.32 and 11,992.76 is: 17,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.16 : 37,639.32 = 11,992.76 : x
  2. Step 2: Convert to fraction form
    25,131.16/37,639.32 = 11,992.76/x
  3. Step 3: Cross multiply
    25,131.16x = 37,639.32 × 11,992.76
  4. Step 4: Simplify right side
    25,131.16x = 451,399,143.13
  5. Step 5: Solve for x
    x = 451,399,143.13/25,131.16
  6. Step 6: Final answer
    x = 17,961.73

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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.