Home / 18,271.56-27,384.66-13,266.12

Finding the Fourth Proportional to 18,271.56, 27,384.66 and 13,266.12

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Solution

The fourth proportional to 18,271.56, 27,384.66 and 13,266.12 is: 19,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.56 : 27,384.66 = 13,266.12 : x
  2. Step 2: Convert to fraction form
    18,271.56/27,384.66 = 13,266.12/x
  3. Step 3: Cross multiply
    18,271.56x = 27,384.66 × 13,266.12
  4. Step 4: Simplify right side
    18,271.56x = 363,288,185.72
  5. Step 5: Solve for x
    x = 363,288,185.72/18,271.56
  6. Step 6: Final answer
    x = 19,882.71

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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.