Home / 12,331.22-18,494.12-3,564.23

Finding the Fourth Proportional to 12,331.22, 18,494.12 and 3,564.23

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Solution

The fourth proportional to 12,331.22, 18,494.12 and 3,564.23 is: 5,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.22 : 18,494.12 = 3,564.23 : x
  2. Step 2: Convert to fraction form
    12,331.22/18,494.12 = 3,564.23/x
  3. Step 3: Cross multiply
    12,331.22x = 18,494.12 × 3,564.23
  4. Step 4: Simplify right side
    12,331.22x = 65,917,213.77
  5. Step 5: Solve for x
    x = 65,917,213.77/12,331.22
  6. Step 6: Final answer
    x = 5,345.56

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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.