Home / 10,986.30-16,482.26-3,195.11

Finding the Fourth Proportional to 10,986.30, 16,482.26 and 3,195.11

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Solution

The fourth proportional to 10,986.30, 16,482.26 and 3,195.11 is: 4,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.30 : 16,482.26 = 3,195.11 : x
  2. Step 2: Convert to fraction form
    10,986.30/16,482.26 = 3,195.11/x
  3. Step 3: Cross multiply
    10,986.30x = 16,482.26 × 3,195.11
  4. Step 4: Simplify right side
    10,986.30x = 52,662,617.77
  5. Step 5: Solve for x
    x = 52,662,617.77/10,986.30
  6. Step 6: Final answer
    x = 4,793.48

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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.