Home / 18,381.24-27,554.76-6,691.80

Finding the Fourth Proportional to 18,381.24, 27,554.76 and 6,691.80

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Solution

The fourth proportional to 18,381.24, 27,554.76 and 6,691.80 is: 10,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.24 : 27,554.76 = 6,691.80 : x
  2. Step 2: Convert to fraction form
    18,381.24/27,554.76 = 6,691.80/x
  3. Step 3: Cross multiply
    18,381.24x = 27,554.76 × 6,691.80
  4. Step 4: Simplify right side
    18,381.24x = 184,390,942.97
  5. Step 5: Solve for x
    x = 184,390,942.97/18,381.24
  6. Step 6: Final answer
    x = 10,031.47

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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.