Home / 12,223.05-16,868.84-6,919.58

Finding the Fourth Proportional to 12,223.05, 16,868.84 and 6,919.58

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Solution

The fourth proportional to 12,223.05, 16,868.84 and 6,919.58 is: 9,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.05 : 16,868.84 = 6,919.58 : x
  2. Step 2: Convert to fraction form
    12,223.05/16,868.84 = 6,919.58/x
  3. Step 3: Cross multiply
    12,223.05x = 16,868.84 × 6,919.58
  4. Step 4: Simplify right side
    12,223.05x = 116,725,168.95
  5. Step 5: Solve for x
    x = 116,725,168.95/12,223.05
  6. Step 6: Final answer
    x = 9,549.59

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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.