Home / 13,950.88-21,022.22-11,539.71

Finding the Fourth Proportional to 13,950.88, 21,022.22 and 11,539.71

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Solution

The fourth proportional to 13,950.88, 21,022.22 and 11,539.71 is: 17,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.88 : 21,022.22 = 11,539.71 : x
  2. Step 2: Convert to fraction form
    13,950.88/21,022.22 = 11,539.71/x
  3. Step 3: Cross multiply
    13,950.88x = 21,022.22 × 11,539.71
  4. Step 4: Simplify right side
    13,950.88x = 242,590,351.21
  5. Step 5: Solve for x
    x = 242,590,351.21/13,950.88
  6. Step 6: Final answer
    x = 17,388.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.