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Finding the Fourth Proportional to 22,278.94, 33,397.49 and 7,477.49

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Solution

The fourth proportional to 22,278.94, 33,397.49 and 7,477.49 is: 11,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.94 : 33,397.49 = 7,477.49 : x
  2. Step 2: Convert to fraction form
    22,278.94/33,397.49 = 7,477.49/x
  3. Step 3: Cross multiply
    22,278.94x = 33,397.49 × 7,477.49
  4. Step 4: Simplify right side
    22,278.94x = 249,729,499.69
  5. Step 5: Solve for x
    x = 249,729,499.69/22,278.94
  6. Step 6: Final answer
    x = 11,209.22

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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.