Home / 13,327.71-20,003.81-6,758.61

Finding the Fourth Proportional to 13,327.71, 20,003.81 and 6,758.61

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Solution

The fourth proportional to 13,327.71, 20,003.81 and 6,758.61 is: 10,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.71 : 20,003.81 = 6,758.61 : x
  2. Step 2: Convert to fraction form
    13,327.71/20,003.81 = 6,758.61/x
  3. Step 3: Cross multiply
    13,327.71x = 20,003.81 × 6,758.61
  4. Step 4: Simplify right side
    13,327.71x = 135,197,916.51
  5. Step 5: Solve for x
    x = 135,197,916.51/13,327.71
  6. Step 6: Final answer
    x = 10,144.12

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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.