Home / 20,884.64-31,329.99-6,091.71

Finding the Fourth Proportional to 20,884.64, 31,329.99 and 6,091.71

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Solution

The fourth proportional to 20,884.64, 31,329.99 and 6,091.71 is: 9,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.64 : 31,329.99 = 6,091.71 : x
  2. Step 2: Convert to fraction form
    20,884.64/31,329.99 = 6,091.71/x
  3. Step 3: Cross multiply
    20,884.64x = 31,329.99 × 6,091.71
  4. Step 4: Simplify right side
    20,884.64x = 190,853,095.90
  5. Step 5: Solve for x
    x = 190,853,095.90/20,884.64
  6. Step 6: Final answer
    x = 9,138.45

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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.