Home / 11,982.95-16,536.49-6,677.66

Finding the Fourth Proportional to 11,982.95, 16,536.49 and 6,677.66

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Solution

The fourth proportional to 11,982.95, 16,536.49 and 6,677.66 is: 9,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.95 : 16,536.49 = 6,677.66 : x
  2. Step 2: Convert to fraction form
    11,982.95/16,536.49 = 6,677.66/x
  3. Step 3: Cross multiply
    11,982.95x = 16,536.49 × 6,677.66
  4. Step 4: Simplify right side
    11,982.95x = 110,424,958.44
  5. Step 5: Solve for x
    x = 110,424,958.44/11,982.95
  6. Step 6: Final answer
    x = 9,215.17

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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.