Home / 21,441.47-29,591.42-12,367.19

Finding the Fourth Proportional to 21,441.47, 29,591.42 and 12,367.19

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Solution

The fourth proportional to 21,441.47, 29,591.42 and 12,367.19 is: 17,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.47 : 29,591.42 = 12,367.19 : x
  2. Step 2: Convert to fraction form
    21,441.47/29,591.42 = 12,367.19/x
  3. Step 3: Cross multiply
    21,441.47x = 29,591.42 × 12,367.19
  4. Step 4: Simplify right side
    21,441.47x = 365,962,713.51
  5. Step 5: Solve for x
    x = 365,962,713.51/21,441.47
  6. Step 6: Final answer
    x = 17,067.99

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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.