Home / 22,218.03-30,660.94-12,146.59

Finding the Fourth Proportional to 22,218.03, 30,660.94 and 12,146.59

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Solution

The fourth proportional to 22,218.03, 30,660.94 and 12,146.59 is: 16,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.03 : 30,660.94 = 12,146.59 : x
  2. Step 2: Convert to fraction form
    22,218.03/30,660.94 = 12,146.59/x
  3. Step 3: Cross multiply
    22,218.03x = 30,660.94 × 12,146.59
  4. Step 4: Simplify right side
    22,218.03x = 372,425,867.19
  5. Step 5: Solve for x
    x = 372,425,867.19/22,218.03
  6. Step 6: Final answer
    x = 16,762.33

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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.