Home / 10,912.19-16,348.71-6,630.12

Finding the Fourth Proportional to 10,912.19, 16,348.71 and 6,630.12

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Solution

The fourth proportional to 10,912.19, 16,348.71 and 6,630.12 is: 9,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.19 : 16,348.71 = 6,630.12 : x
  2. Step 2: Convert to fraction form
    10,912.19/16,348.71 = 6,630.12/x
  3. Step 3: Cross multiply
    10,912.19x = 16,348.71 × 6,630.12
  4. Step 4: Simplify right side
    10,912.19x = 108,393,909.15
  5. Step 5: Solve for x
    x = 108,393,909.15/10,912.19
  6. Step 6: Final answer
    x = 9,933.29

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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.