Home / 22,258.94-30,717.35-12,187.98

Finding the Fourth Proportional to 22,258.94, 30,717.35 and 12,187.98

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Solution

The fourth proportional to 22,258.94, 30,717.35 and 12,187.98 is: 16,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.94 : 30,717.35 = 12,187.98 : x
  2. Step 2: Convert to fraction form
    22,258.94/30,717.35 = 12,187.98/x
  3. Step 3: Cross multiply
    22,258.94x = 30,717.35 × 12,187.98
  4. Step 4: Simplify right side
    22,258.94x = 374,382,386.51
  5. Step 5: Solve for x
    x = 374,382,386.51/22,258.94
  6. Step 6: Final answer
    x = 16,819.42

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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.