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Finding the Fourth Proportional to 22,291.94, 33,437.20 and 9,134.42

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Solution

The fourth proportional to 22,291.94, 33,437.20 and 9,134.42 is: 13,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.94 : 33,437.20 = 9,134.42 : x
  2. Step 2: Convert to fraction form
    22,291.94/33,437.20 = 9,134.42/x
  3. Step 3: Cross multiply
    22,291.94x = 33,437.20 × 9,134.42
  4. Step 4: Simplify right side
    22,291.94x = 305,429,428.42
  5. Step 5: Solve for x
    x = 305,429,428.42/22,291.94
  6. Step 6: Final answer
    x = 13,701.34

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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.