Home / 15,268.53-21,072.24-8,554.44

Finding the Fourth Proportional to 15,268.53, 21,072.24 and 8,554.44

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Solution

The fourth proportional to 15,268.53, 21,072.24 and 8,554.44 is: 11,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.53 : 21,072.24 = 8,554.44 : x
  2. Step 2: Convert to fraction form
    15,268.53/21,072.24 = 8,554.44/x
  3. Step 3: Cross multiply
    15,268.53x = 21,072.24 × 8,554.44
  4. Step 4: Simplify right side
    15,268.53x = 180,261,212.75
  5. Step 5: Solve for x
    x = 180,261,212.75/15,268.53
  6. Step 6: Final answer
    x = 11,806.06

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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.