Home / 22,258.80-30,717.11-12,187.22

Finding the Fourth Proportional to 22,258.80, 30,717.11 and 12,187.22

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Solution

The fourth proportional to 22,258.80, 30,717.11 and 12,187.22 is: 16,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.80 : 30,717.11 = 12,187.22 : x
  2. Step 2: Convert to fraction form
    22,258.80/30,717.11 = 12,187.22/x
  3. Step 3: Cross multiply
    22,258.80x = 30,717.11 × 12,187.22
  4. Step 4: Simplify right side
    22,258.80x = 374,356,054.22
  5. Step 5: Solve for x
    x = 374,356,054.22/22,258.80
  6. Step 6: Final answer
    x = 16,818.34

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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.