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Finding the Fourth Proportional to 22,602.10, 33,908.55 and 10,905.70

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Solution

The fourth proportional to 22,602.10, 33,908.55 and 10,905.70 is: 16,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.10 : 33,908.55 = 10,905.70 : x
  2. Step 2: Convert to fraction form
    22,602.10/33,908.55 = 10,905.70/x
  3. Step 3: Cross multiply
    22,602.10x = 33,908.55 × 10,905.70
  4. Step 4: Simplify right side
    22,602.10x = 369,796,473.74
  5. Step 5: Solve for x
    x = 369,796,473.74/22,602.10
  6. Step 6: Final answer
    x = 16,361.16

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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.