Home / 11,325.11-16,979.92-5,767.70

Finding the Fourth Proportional to 11,325.11, 16,979.92 and 5,767.70

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Solution

The fourth proportional to 11,325.11, 16,979.92 and 5,767.70 is: 8,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.11 : 16,979.92 = 5,767.70 : x
  2. Step 2: Convert to fraction form
    11,325.11/16,979.92 = 5,767.70/x
  3. Step 3: Cross multiply
    11,325.11x = 16,979.92 × 5,767.70
  4. Step 4: Simplify right side
    11,325.11x = 97,935,055.75
  5. Step 5: Solve for x
    x = 97,935,055.75/11,325.11
  6. Step 6: Final answer
    x = 8,647.60

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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.