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Finding the Fourth Proportional to 22,273.68, 33,411.13 and 6,478.08

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Solution

The fourth proportional to 22,273.68, 33,411.13 and 6,478.08 is: 9,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.68 : 33,411.13 = 6,478.08 : x
  2. Step 2: Convert to fraction form
    22,273.68/33,411.13 = 6,478.08/x
  3. Step 3: Cross multiply
    22,273.68x = 33,411.13 × 6,478.08
  4. Step 4: Simplify right side
    22,273.68x = 216,439,867.98
  5. Step 5: Solve for x
    x = 216,439,867.98/22,273.68
  6. Step 6: Final answer
    x = 9,717.29

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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.