Home / 11,876.11-16,389.60-6,841.11

Finding the Fourth Proportional to 11,876.11, 16,389.60 and 6,841.11

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Solution

The fourth proportional to 11,876.11, 16,389.60 and 6,841.11 is: 9,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.11 : 16,389.60 = 6,841.11 : x
  2. Step 2: Convert to fraction form
    11,876.11/16,389.60 = 6,841.11/x
  3. Step 3: Cross multiply
    11,876.11x = 16,389.60 × 6,841.11
  4. Step 4: Simplify right side
    11,876.11x = 112,123,056.46
  5. Step 5: Solve for x
    x = 112,123,056.46/11,876.11
  6. Step 6: Final answer
    x = 9,441.06

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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.