Home / 20,233.14-27,923.84-12,169.45

Finding the Fourth Proportional to 20,233.14, 27,923.84 and 12,169.45

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Solution

The fourth proportional to 20,233.14, 27,923.84 and 12,169.45 is: 16,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.14 : 27,923.84 = 12,169.45 : x
  2. Step 2: Convert to fraction form
    20,233.14/27,923.84 = 12,169.45/x
  3. Step 3: Cross multiply
    20,233.14x = 27,923.84 × 12,169.45
  4. Step 4: Simplify right side
    20,233.14x = 339,817,774.69
  5. Step 5: Solve for x
    x = 339,817,774.69/20,233.14
  6. Step 6: Final answer
    x = 16,795.11

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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.