Home / 22,284.11-30,747.24-13,212.33

Finding the Fourth Proportional to 22,284.11, 30,747.24 and 13,212.33

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Solution

The fourth proportional to 22,284.11, 30,747.24 and 13,212.33 is: 18,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.11 : 30,747.24 = 13,212.33 : x
  2. Step 2: Convert to fraction form
    22,284.11/30,747.24 = 13,212.33/x
  3. Step 3: Cross multiply
    22,284.11x = 30,747.24 × 13,212.33
  4. Step 4: Simplify right side
    22,284.11x = 406,242,681.47
  5. Step 5: Solve for x
    x = 406,242,681.47/22,284.11
  6. Step 6: Final answer
    x = 18,230.15

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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.