Home / 25,122.96-37,684.80-11,976.72

Finding the Fourth Proportional to 25,122.96, 37,684.80 and 11,976.72

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Solution

The fourth proportional to 25,122.96, 37,684.80 and 11,976.72 is: 17,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.96 : 37,684.80 = 11,976.72 : x
  2. Step 2: Convert to fraction form
    25,122.96/37,684.80 = 11,976.72/x
  3. Step 3: Cross multiply
    25,122.96x = 37,684.80 × 11,976.72
  4. Step 4: Simplify right side
    25,122.96x = 451,340,297.86
  5. Step 5: Solve for x
    x = 451,340,297.86/25,122.96
  6. Step 6: Final answer
    x = 17,965.25

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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.