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Finding the Fourth Proportional to 22,262.60, 33,392.76 and 7,471.64

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Solution

The fourth proportional to 22,262.60, 33,392.76 and 7,471.64 is: 11,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.60 : 33,392.76 = 7,471.64 : x
  2. Step 2: Convert to fraction form
    22,262.60/33,392.76 = 7,471.64/x
  3. Step 3: Cross multiply
    22,262.60x = 33,392.76 × 7,471.64
  4. Step 4: Simplify right side
    22,262.60x = 249,498,681.33
  5. Step 5: Solve for x
    x = 249,498,681.33/22,262.60
  6. Step 6: Final answer
    x = 11,207.08

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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.