Home / 20,214.27-27,894.81-11,262.75

Finding the Fourth Proportional to 20,214.27, 27,894.81 and 11,262.75

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Solution

The fourth proportional to 20,214.27, 27,894.81 and 11,262.75 is: 15,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.27 : 27,894.81 = 11,262.75 : x
  2. Step 2: Convert to fraction form
    20,214.27/27,894.81 = 11,262.75/x
  3. Step 3: Cross multiply
    20,214.27x = 27,894.81 × 11,262.75
  4. Step 4: Simplify right side
    20,214.27x = 314,172,271.33
  5. Step 5: Solve for x
    x = 314,172,271.33/20,214.27
  6. Step 6: Final answer
    x = 15,542.10

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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.