Home / 10,986.89-16,483.75-3,195.72

Finding the Fourth Proportional to 10,986.89, 16,483.75 and 3,195.72

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Solution

The fourth proportional to 10,986.89, 16,483.75 and 3,195.72 is: 4,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.89 : 16,483.75 = 3,195.72 : x
  2. Step 2: Convert to fraction form
    10,986.89/16,483.75 = 3,195.72/x
  3. Step 3: Cross multiply
    10,986.89x = 16,483.75 × 3,195.72
  4. Step 4: Simplify right side
    10,986.89x = 52,677,441.56
  5. Step 5: Solve for x
    x = 52,677,441.56/10,986.89
  6. Step 6: Final answer
    x = 4,794.57

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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.