Home / 12,017.62-18,033.74-4,622.72

Finding the Fourth Proportional to 12,017.62, 18,033.74 and 4,622.72

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Solution

The fourth proportional to 12,017.62, 18,033.74 and 4,622.72 is: 6,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.62 : 18,033.74 = 4,622.72 : x
  2. Step 2: Convert to fraction form
    12,017.62/18,033.74 = 4,622.72/x
  3. Step 3: Cross multiply
    12,017.62x = 18,033.74 × 4,622.72
  4. Step 4: Simplify right side
    12,017.62x = 83,364,930.57
  5. Step 5: Solve for x
    x = 83,364,930.57/12,017.62
  6. Step 6: Final answer
    x = 6,936.89

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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.