Home / 22,429.12-33,647.64-9,274.12

Finding the Fourth Proportional to 22,429.12, 33,647.64 and 9,274.12

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Solution

The fourth proportional to 22,429.12, 33,647.64 and 9,274.12 is: 13,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.12 : 33,647.64 = 9,274.12 : x
  2. Step 2: Convert to fraction form
    22,429.12/33,647.64 = 9,274.12/x
  3. Step 3: Cross multiply
    22,429.12x = 33,647.64 × 9,274.12
  4. Step 4: Simplify right side
    22,429.12x = 312,052,251.08
  5. Step 5: Solve for x
    x = 312,052,251.08/22,429.12
  6. Step 6: Final answer
    x = 13,912.82

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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.