Home / 12,223.22-16,868.06-6,634.22

Finding the Fourth Proportional to 12,223.22, 16,868.06 and 6,634.22

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Solution

The fourth proportional to 12,223.22, 16,868.06 and 6,634.22 is: 9,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.22 : 16,868.06 = 6,634.22 : x
  2. Step 2: Convert to fraction form
    12,223.22/16,868.06 = 6,634.22/x
  3. Step 3: Cross multiply
    12,223.22x = 16,868.06 × 6,634.22
  4. Step 4: Simplify right side
    12,223.22x = 111,906,303.50
  5. Step 5: Solve for x
    x = 111,906,303.50/12,223.22
  6. Step 6: Final answer
    x = 9,155.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.