Home / 22,258.75-30,717.17-12,188.13

Finding the Fourth Proportional to 22,258.75, 30,717.17 and 12,188.13

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Solution

The fourth proportional to 22,258.75, 30,717.17 and 12,188.13 is: 16,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.75 : 30,717.17 = 12,188.13 : x
  2. Step 2: Convert to fraction form
    22,258.75/30,717.17 = 12,188.13/x
  3. Step 3: Cross multiply
    22,258.75x = 30,717.17 × 12,188.13
  4. Step 4: Simplify right side
    22,258.75x = 374,384,861.19
  5. Step 5: Solve for x
    x = 374,384,861.19/22,258.75
  6. Step 6: Final answer
    x = 16,819.67

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Double scale
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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.