Home / 22,239.84-30,690.52-12,168.26

Finding the Fourth Proportional to 22,239.84, 30,690.52 and 12,168.26

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Solution

The fourth proportional to 22,239.84, 30,690.52 and 12,168.26 is: 16,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.84 : 30,690.52 = 12,168.26 : x
  2. Step 2: Convert to fraction form
    22,239.84/30,690.52 = 12,168.26/x
  3. Step 3: Cross multiply
    22,239.84x = 30,690.52 × 12,168.26
  4. Step 4: Simplify right side
    22,239.84x = 373,450,226.90
  5. Step 5: Solve for x
    x = 373,450,226.90/22,239.84
  6. Step 6: Final answer
    x = 16,791.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.