Home / 12,217.53-18,326.31-4,426.95

Finding the Fourth Proportional to 12,217.53, 18,326.31 and 4,426.95

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Solution

The fourth proportional to 12,217.53, 18,326.31 and 4,426.95 is: 6,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.53 : 18,326.31 = 4,426.95 : x
  2. Step 2: Convert to fraction form
    12,217.53/18,326.31 = 4,426.95/x
  3. Step 3: Cross multiply
    12,217.53x = 18,326.31 × 4,426.95
  4. Step 4: Simplify right side
    12,217.53x = 81,129,658.05
  5. Step 5: Solve for x
    x = 81,129,658.05/12,217.53
  6. Step 6: Final answer
    x = 6,640.43

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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.