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Finding the Fourth Proportional to 22,100.46, 30,498.71 and 12,029.03

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Solution

The fourth proportional to 22,100.46, 30,498.71 and 12,029.03 is: 16,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.46 : 30,498.71 = 12,029.03 : x
  2. Step 2: Convert to fraction form
    22,100.46/30,498.71 = 12,029.03/x
  3. Step 3: Cross multiply
    22,100.46x = 30,498.71 × 12,029.03
  4. Step 4: Simplify right side
    22,100.46x = 366,869,897.55
  5. Step 5: Solve for x
    x = 366,869,897.55/22,100.46
  6. Step 6: Final answer
    x = 16,600.10

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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.