Home / 12,197.98-18,295.35-3,433.65

Finding the Fourth Proportional to 12,197.98, 18,295.35 and 3,433.65

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Solution

The fourth proportional to 12,197.98, 18,295.35 and 3,433.65 is: 5,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.98 : 18,295.35 = 3,433.65 : x
  2. Step 2: Convert to fraction form
    12,197.98/18,295.35 = 3,433.65/x
  3. Step 3: Cross multiply
    12,197.98x = 18,295.35 × 3,433.65
  4. Step 4: Simplify right side
    12,197.98x = 62,819,737.05
  5. Step 5: Solve for x
    x = 62,819,737.05/12,197.98
  6. Step 6: Final answer
    x = 5,150.01

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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.