Home / 15,791.27-21,799.83-9,824.86

Finding the Fourth Proportional to 15,791.27, 21,799.83 and 9,824.86

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Solution

The fourth proportional to 15,791.27, 21,799.83 and 9,824.86 is: 13,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.27 : 21,799.83 = 9,824.86 : x
  2. Step 2: Convert to fraction form
    15,791.27/21,799.83 = 9,824.86/x
  3. Step 3: Cross multiply
    15,791.27x = 21,799.83 × 9,824.86
  4. Step 4: Simplify right side
    15,791.27x = 214,180,277.77
  5. Step 5: Solve for x
    x = 214,180,277.77/15,791.27
  6. Step 6: Final answer
    x = 13,563.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.