Home / 12,223.32-16,867.44-6,919.80

Finding the Fourth Proportional to 12,223.32, 16,867.44 and 6,919.80

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Solution

The fourth proportional to 12,223.32, 16,867.44 and 6,919.80 is: 9,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.32 : 16,867.44 = 6,919.80 : x
  2. Step 2: Convert to fraction form
    12,223.32/16,867.44 = 6,919.80/x
  3. Step 3: Cross multiply
    12,223.32x = 16,867.44 × 6,919.80
  4. Step 4: Simplify right side
    12,223.32x = 116,719,311.31
  5. Step 5: Solve for x
    x = 116,719,311.31/12,223.32
  6. Step 6: Final answer
    x = 9,548.90

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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.