Home / 11,156.45-16,734.68-4,230.95

Finding the Fourth Proportional to 11,156.45, 16,734.68 and 4,230.95

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Solution

The fourth proportional to 11,156.45, 16,734.68 and 4,230.95 is: 6,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.45 : 16,734.68 = 4,230.95 : x
  2. Step 2: Convert to fraction form
    11,156.45/16,734.68 = 4,230.95/x
  3. Step 3: Cross multiply
    11,156.45x = 16,734.68 × 4,230.95
  4. Step 4: Simplify right side
    11,156.45x = 70,803,489.52
  5. Step 5: Solve for x
    x = 70,803,489.52/11,156.45
  6. Step 6: Final answer
    x = 6,346.42

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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.