Home / 18,554.89-27,766.63-11,538.20

Finding the Fourth Proportional to 18,554.89, 27,766.63 and 11,538.20

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Solution

The fourth proportional to 18,554.89, 27,766.63 and 11,538.20 is: 17,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.89 : 27,766.63 = 11,538.20 : x
  2. Step 2: Convert to fraction form
    18,554.89/27,766.63 = 11,538.20/x
  3. Step 3: Cross multiply
    18,554.89x = 27,766.63 × 11,538.20
  4. Step 4: Simplify right side
    18,554.89x = 320,376,872.58
  5. Step 5: Solve for x
    x = 320,376,872.58/18,554.89
  6. Step 6: Final answer
    x = 17,266.44

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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.