Home / 20,185.32-27,855.18-11,233.14

Finding the Fourth Proportional to 20,185.32, 27,855.18 and 11,233.14

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Solution

The fourth proportional to 20,185.32, 27,855.18 and 11,233.14 is: 15,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.32 : 27,855.18 = 11,233.14 : x
  2. Step 2: Convert to fraction form
    20,185.32/27,855.18 = 11,233.14/x
  3. Step 3: Cross multiply
    20,185.32x = 27,855.18 × 11,233.14
  4. Step 4: Simplify right side
    20,185.32x = 312,901,136.67
  5. Step 5: Solve for x
    x = 312,901,136.67/20,185.32
  6. Step 6: Final answer
    x = 15,501.42

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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.