Home / 20,214.36-27,895.81-11,262.43

Finding the Fourth Proportional to 20,214.36, 27,895.81 and 11,262.43

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Solution

The fourth proportional to 20,214.36, 27,895.81 and 11,262.43 is: 15,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.36 : 27,895.81 = 11,262.43 : x
  2. Step 2: Convert to fraction form
    20,214.36/27,895.81 = 11,262.43/x
  3. Step 3: Cross multiply
    20,214.36x = 27,895.81 × 11,262.43
  4. Step 4: Simplify right side
    20,214.36x = 314,174,607.42
  5. Step 5: Solve for x
    x = 314,174,607.42/20,214.36
  6. Step 6: Final answer
    x = 15,542.15

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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.