Home / 11,689.27-16,131.08-6,384.11

Finding the Fourth Proportional to 11,689.27, 16,131.08 and 6,384.11

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Solution

The fourth proportional to 11,689.27, 16,131.08 and 6,384.11 is: 8,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.27 : 16,131.08 = 6,384.11 : x
  2. Step 2: Convert to fraction form
    11,689.27/16,131.08 = 6,384.11/x
  3. Step 3: Cross multiply
    11,689.27x = 16,131.08 × 6,384.11
  4. Step 4: Simplify right side
    11,689.27x = 102,982,524.44
  5. Step 5: Solve for x
    x = 102,982,524.44/11,689.27
  6. Step 6: Final answer
    x = 8,810.01

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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.