Home / 20,242.04-27,934.06-11,290.12

Finding the Fourth Proportional to 20,242.04, 27,934.06 and 11,290.12

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Solution

The fourth proportional to 20,242.04, 27,934.06 and 11,290.12 is: 15,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.04 : 27,934.06 = 11,290.12 : x
  2. Step 2: Convert to fraction form
    20,242.04/27,934.06 = 11,290.12/x
  3. Step 3: Cross multiply
    20,242.04x = 27,934.06 × 11,290.12
  4. Step 4: Simplify right side
    20,242.04x = 315,378,791.43
  5. Step 5: Solve for x
    x = 315,378,791.43/20,242.04
  6. Step 6: Final answer
    x = 15,580.39

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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.