Home / 19,801.12-27,326.45-11,305.54

Finding the Fourth Proportional to 19,801.12, 27,326.45 and 11,305.54

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Solution

The fourth proportional to 19,801.12, 27,326.45 and 11,305.54 is: 15,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.12 : 27,326.45 = 11,305.54 : x
  2. Step 2: Convert to fraction form
    19,801.12/27,326.45 = 11,305.54/x
  3. Step 3: Cross multiply
    19,801.12x = 27,326.45 × 11,305.54
  4. Step 4: Simplify right side
    19,801.12x = 308,940,273.53
  5. Step 5: Solve for x
    x = 308,940,273.53/19,801.12
  6. Step 6: Final answer
    x = 15,602.16

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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.