Home / 20,418.66-30,627.63-11,634.84

Finding the Fourth Proportional to 20,418.66, 30,627.63 and 11,634.84

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Solution

The fourth proportional to 20,418.66, 30,627.63 and 11,634.84 is: 17,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418.66 : 30,627.63 = 11,634.84 : x
  2. Step 2: Convert to fraction form
    20,418.66/30,627.63 = 11,634.84/x
  3. Step 3: Cross multiply
    20,418.66x = 30,627.63 × 11,634.84
  4. Step 4: Simplify right side
    20,418.66x = 356,347,574.63
  5. Step 5: Solve for x
    x = 356,347,574.63/20,418.66
  6. Step 6: Final answer
    x = 17,452.05

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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.