Home / 11,165.61-16,739.49-5,616.09

Finding the Fourth Proportional to 11,165.61, 16,739.49 and 5,616.09

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Solution

The fourth proportional to 11,165.61, 16,739.49 and 5,616.09 is: 8,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.61 : 16,739.49 = 5,616.09 : x
  2. Step 2: Convert to fraction form
    11,165.61/16,739.49 = 5,616.09/x
  3. Step 3: Cross multiply
    11,165.61x = 16,739.49 × 5,616.09
  4. Step 4: Simplify right side
    11,165.61x = 94,010,482.39
  5. Step 5: Solve for x
    x = 94,010,482.39/11,165.61
  6. Step 6: Final answer
    x = 8,419.65

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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.