Home / 20,371.74-30,546.09-12,052.86

Finding the Fourth Proportional to 20,371.74, 30,546.09 and 12,052.86

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Solution

The fourth proportional to 20,371.74, 30,546.09 and 12,052.86 is: 18,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.74 : 30,546.09 = 12,052.86 : x
  2. Step 2: Convert to fraction form
    20,371.74/30,546.09 = 12,052.86/x
  3. Step 3: Cross multiply
    20,371.74x = 30,546.09 × 12,052.86
  4. Step 4: Simplify right side
    20,371.74x = 368,167,746.32
  5. Step 5: Solve for x
    x = 368,167,746.32/20,371.74
  6. Step 6: Final answer
    x = 18,072.47

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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.