Home / 11,781.82-16,259.12-6,476.62

Finding the Fourth Proportional to 11,781.82, 16,259.12 and 6,476.62

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Solution

The fourth proportional to 11,781.82, 16,259.12 and 6,476.62 is: 8,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.82 : 16,259.12 = 6,476.62 : x
  2. Step 2: Convert to fraction form
    11,781.82/16,259.12 = 6,476.62/x
  3. Step 3: Cross multiply
    11,781.82x = 16,259.12 × 6,476.62
  4. Step 4: Simplify right side
    11,781.82x = 105,304,141.77
  5. Step 5: Solve for x
    x = 105,304,141.77/11,781.82
  6. Step 6: Final answer
    x = 8,937.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.