Home / 11,316-16,974.46-5,389.84

Finding the Fourth Proportional to 11,316, 16,974.46 and 5,389.84

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Solution

The fourth proportional to 11,316, 16,974.46 and 5,389.84 is: 8,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316 : 16,974.46 = 5,389.84 : x
  2. Step 2: Convert to fraction form
    11,316/16,974.46 = 5,389.84/x
  3. Step 3: Cross multiply
    11,316x = 16,974.46 × 5,389.84
  4. Step 4: Simplify right side
    11,316x = 91,489,567.58
  5. Step 5: Solve for x
    x = 91,489,567.58/11,316
  6. Step 6: Final answer
    x = 8,084.97

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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.