Home / 13,329.19-19,979.43-6,755.89

Finding the Fourth Proportional to 13,329.19, 19,979.43 and 6,755.89

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Solution

The fourth proportional to 13,329.19, 19,979.43 and 6,755.89 is: 10,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.19 : 19,979.43 = 6,755.89 : x
  2. Step 2: Convert to fraction form
    13,329.19/19,979.43 = 6,755.89/x
  3. Step 3: Cross multiply
    13,329.19x = 19,979.43 × 6,755.89
  4. Step 4: Simplify right side
    13,329.19x = 134,978,831.34
  5. Step 5: Solve for x
    x = 134,978,831.34/13,329.19
  6. Step 6: Final answer
    x = 10,126.56

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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.