Home / 12,049.55-18,086.00-5,813.95

Finding the Fourth Proportional to 12,049.55, 18,086.00 and 5,813.95

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Solution

The fourth proportional to 12,049.55, 18,086.00 and 5,813.95 is: 8,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.55 : 18,086.00 = 5,813.95 : x
  2. Step 2: Convert to fraction form
    12,049.55/18,086.00 = 5,813.95/x
  3. Step 3: Cross multiply
    12,049.55x = 18,086.00 × 5,813.95
  4. Step 4: Simplify right side
    12,049.55x = 105,151,092.03
  5. Step 5: Solve for x
    x = 105,151,092.03/12,049.55
  6. Step 6: Final answer
    x = 8,726.55

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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.