Home / 11,988.96-16,545.42-6,684

Finding the Fourth Proportional to 11,988.96, 16,545.42 and 6,684

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Solution

The fourth proportional to 11,988.96, 16,545.42 and 6,684 is: 9,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.96 : 16,545.42 = 6,684 : x
  2. Step 2: Convert to fraction form
    11,988.96/16,545.42 = 6,684/x
  3. Step 3: Cross multiply
    11,988.96x = 16,545.42 × 6,684
  4. Step 4: Simplify right side
    11,988.96x = 110,589,587.28
  5. Step 5: Solve for x
    x = 110,589,587.28/11,988.96
  6. Step 6: Final answer
    x = 9,224.29

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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.