Home / 12,223.13-18,334.71-4,431.96

Finding the Fourth Proportional to 12,223.13, 18,334.71 and 4,431.96

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Solution

The fourth proportional to 12,223.13, 18,334.71 and 4,431.96 is: 6,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.13 : 18,334.71 = 4,431.96 : x
  2. Step 2: Convert to fraction form
    12,223.13/18,334.71 = 4,431.96/x
  3. Step 3: Cross multiply
    12,223.13x = 18,334.71 × 4,431.96
  4. Step 4: Simplify right side
    12,223.13x = 81,258,701.33
  5. Step 5: Solve for x
    x = 81,258,701.33/12,223.13
  6. Step 6: Final answer
    x = 6,647.95

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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.