Home / 21,522.98-29,716.07-13,468.88

Finding the Fourth Proportional to 21,522.98, 29,716.07 and 13,468.88

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Solution

The fourth proportional to 21,522.98, 29,716.07 and 13,468.88 is: 18,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.98 : 29,716.07 = 13,468.88 : x
  2. Step 2: Convert to fraction form
    21,522.98/29,716.07 = 13,468.88/x
  3. Step 3: Cross multiply
    21,522.98x = 29,716.07 × 13,468.88
  4. Step 4: Simplify right side
    21,522.98x = 400,242,187.85
  5. Step 5: Solve for x
    x = 400,242,187.85/21,522.98
  6. Step 6: Final answer
    x = 18,596.04

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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.