Home / 20,941.66-31,334.71-11,714.14

Finding the Fourth Proportional to 20,941.66, 31,334.71 and 11,714.14

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Solution

The fourth proportional to 20,941.66, 31,334.71 and 11,714.14 is: 17,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.66 : 31,334.71 = 11,714.14 : x
  2. Step 2: Convert to fraction form
    20,941.66/31,334.71 = 11,714.14/x
  3. Step 3: Cross multiply
    20,941.66x = 31,334.71 × 11,714.14
  4. Step 4: Simplify right side
    20,941.66x = 367,059,179.80
  5. Step 5: Solve for x
    x = 367,059,179.80/20,941.66
  6. Step 6: Final answer
    x = 17,527.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.