Home / 20,261.57-27,963.61-11,310.93

Finding the Fourth Proportional to 20,261.57, 27,963.61 and 11,310.93

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Solution

The fourth proportional to 20,261.57, 27,963.61 and 11,310.93 is: 15,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.57 : 27,963.61 = 11,310.93 : x
  2. Step 2: Convert to fraction form
    20,261.57/27,963.61 = 11,310.93/x
  3. Step 3: Cross multiply
    20,261.57x = 27,963.61 × 11,310.93
  4. Step 4: Simplify right side
    20,261.57x = 316,294,435.26
  5. Step 5: Solve for x
    x = 316,294,435.26/20,261.57
  6. Step 6: Final answer
    x = 15,610.56

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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.