Home / 20,884.18-31,333.97-9,794.47

Finding the Fourth Proportional to 20,884.18, 31,333.97 and 9,794.47

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Solution

The fourth proportional to 20,884.18, 31,333.97 and 9,794.47 is: 14,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.18 : 31,333.97 = 9,794.47 : x
  2. Step 2: Convert to fraction form
    20,884.18/31,333.97 = 9,794.47/x
  3. Step 3: Cross multiply
    20,884.18x = 31,333.97 × 9,794.47
  4. Step 4: Simplify right side
    20,884.18x = 306,899,629.15
  5. Step 5: Solve for x
    x = 306,899,629.15/20,884.18
  6. Step 6: Final answer
    x = 14,695.32

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1.5x scale

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.