Home / 11,853.95-17,781.94-3,088.86

Finding the Fourth Proportional to 11,853.95, 17,781.94 and 3,088.86

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Solution

The fourth proportional to 11,853.95, 17,781.94 and 3,088.86 is: 4,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.95 : 17,781.94 = 3,088.86 : x
  2. Step 2: Convert to fraction form
    11,853.95/17,781.94 = 3,088.86/x
  3. Step 3: Cross multiply
    11,853.95x = 17,781.94 × 3,088.86
  4. Step 4: Simplify right side
    11,853.95x = 54,925,923.19
  5. Step 5: Solve for x
    x = 54,925,923.19/11,853.95
  6. Step 6: Final answer
    x = 4,633.55

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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.