Home / 12,212.89-16,852.98-6,834.42

Finding the Fourth Proportional to 12,212.89, 16,852.98 and 6,834.42

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Solution

The fourth proportional to 12,212.89, 16,852.98 and 6,834.42 is: 9,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.89 : 16,852.98 = 6,834.42 : x
  2. Step 2: Convert to fraction form
    12,212.89/16,852.98 = 6,834.42/x
  3. Step 3: Cross multiply
    12,212.89x = 16,852.98 × 6,834.42
  4. Step 4: Simplify right side
    12,212.89x = 115,180,343.57
  5. Step 5: Solve for x
    x = 115,180,343.57/12,212.89
  6. Step 6: Final answer
    x = 9,431.05

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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.