Home / 11,109.49-15,331.05-6,073.71

Finding the Fourth Proportional to 11,109.49, 15,331.05 and 6,073.71

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Solution

The fourth proportional to 11,109.49, 15,331.05 and 6,073.71 is: 8,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.49 : 15,331.05 = 6,073.71 : x
  2. Step 2: Convert to fraction form
    11,109.49/15,331.05 = 6,073.71/x
  3. Step 3: Cross multiply
    11,109.49x = 15,331.05 × 6,073.71
  4. Step 4: Simplify right side
    11,109.49x = 93,116,351.70
  5. Step 5: Solve for x
    x = 93,116,351.70/11,109.49
  6. Step 6: Final answer
    x = 8,381.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.