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Finding the Fourth Proportional to 22,261.64, 33,394.95 and 7,471.58

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Solution

The fourth proportional to 22,261.64, 33,394.95 and 7,471.58 is: 11,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.64 : 33,394.95 = 7,471.58 : x
  2. Step 2: Convert to fraction form
    22,261.64/33,394.95 = 7,471.58/x
  3. Step 3: Cross multiply
    22,261.64x = 33,394.95 × 7,471.58
  4. Step 4: Simplify right side
    22,261.64x = 249,512,873.55
  5. Step 5: Solve for x
    x = 249,512,873.55/22,261.64
  6. Step 6: Final answer
    x = 11,208.20

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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.