Home / 20,237.69-27,928.01-11,854.19

Finding the Fourth Proportional to 20,237.69, 27,928.01 and 11,854.19

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Solution

The fourth proportional to 20,237.69, 27,928.01 and 11,854.19 is: 16,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.69 : 27,928.01 = 11,854.19 : x
  2. Step 2: Convert to fraction form
    20,237.69/27,928.01 = 11,854.19/x
  3. Step 3: Cross multiply
    20,237.69x = 27,928.01 × 11,854.19
  4. Step 4: Simplify right side
    20,237.69x = 331,063,936.86
  5. Step 5: Solve for x
    x = 331,063,936.86/20,237.69
  6. Step 6: Final answer
    x = 16,358.78

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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.