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Finding the Fourth Proportional to 22,480.68, 33,721.98 and 6,898.92

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Solution

The fourth proportional to 22,480.68, 33,721.98 and 6,898.92 is: 10,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.68 : 33,721.98 = 6,898.92 : x
  2. Step 2: Convert to fraction form
    22,480.68/33,721.98 = 6,898.92/x
  3. Step 3: Cross multiply
    22,480.68x = 33,721.98 × 6,898.92
  4. Step 4: Simplify right side
    22,480.68x = 232,645,242.26
  5. Step 5: Solve for x
    x = 232,645,242.26/22,480.68
  6. Step 6: Final answer
    x = 10,348.67

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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.