Home / 19,851.05-27,394.43-11,237.09

Finding the Fourth Proportional to 19,851.05, 27,394.43 and 11,237.09

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Solution

The fourth proportional to 19,851.05, 27,394.43 and 11,237.09 is: 15,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.05 : 27,394.43 = 11,237.09 : x
  2. Step 2: Convert to fraction form
    19,851.05/27,394.43 = 11,237.09/x
  3. Step 3: Cross multiply
    19,851.05x = 27,394.43 × 11,237.09
  4. Step 4: Simplify right side
    19,851.05x = 307,833,482.25
  5. Step 5: Solve for x
    x = 307,833,482.25/19,851.05
  6. Step 6: Final answer
    x = 15,507.16

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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.