Home / 20,194.47-27,867.65-11,242.35

Finding the Fourth Proportional to 20,194.47, 27,867.65 and 11,242.35

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Solution

The fourth proportional to 20,194.47, 27,867.65 and 11,242.35 is: 15,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.47 : 27,867.65 = 11,242.35 : x
  2. Step 2: Convert to fraction form
    20,194.47/27,867.65 = 11,242.35/x
  3. Step 3: Cross multiply
    20,194.47x = 27,867.65 × 11,242.35
  4. Step 4: Simplify right side
    20,194.47x = 313,297,818.77
  5. Step 5: Solve for x
    x = 313,297,818.77/20,194.47
  6. Step 6: Final answer
    x = 15,514.04

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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.