Home / 9,990.33-14,992.19-4,146.95

Finding the Fourth Proportional to 9,990.33, 14,992.19 and 4,146.95

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Solution

The fourth proportional to 9,990.33, 14,992.19 and 4,146.95 is: 6,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.33 : 14,992.19 = 4,146.95 : x
  2. Step 2: Convert to fraction form
    9,990.33/14,992.19 = 4,146.95/x
  3. Step 3: Cross multiply
    9,990.33x = 14,992.19 × 4,146.95
  4. Step 4: Simplify right side
    9,990.33x = 62,171,766.62
  5. Step 5: Solve for x
    x = 62,171,766.62/9,990.33
  6. Step 6: Final answer
    x = 6,223.19

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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.