Home / 20,884.23-31,327.71-6,091.91

Finding the Fourth Proportional to 20,884.23, 31,327.71 and 6,091.91

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Solution

The fourth proportional to 20,884.23, 31,327.71 and 6,091.91 is: 9,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.23 : 31,327.71 = 6,091.91 : x
  2. Step 2: Convert to fraction form
    20,884.23/31,327.71 = 6,091.91/x
  3. Step 3: Cross multiply
    20,884.23x = 31,327.71 × 6,091.91
  4. Step 4: Simplify right side
    20,884.23x = 190,845,511.51
  5. Step 5: Solve for x
    x = 190,845,511.51/20,884.23
  6. Step 6: Final answer
    x = 9,138.26

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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.