Home / 11,214.20-16,819.95-4,639.61

Finding the Fourth Proportional to 11,214.20, 16,819.95 and 4,639.61

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Solution

The fourth proportional to 11,214.20, 16,819.95 and 4,639.61 is: 6,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.20 : 16,819.95 = 4,639.61 : x
  2. Step 2: Convert to fraction form
    11,214.20/16,819.95 = 4,639.61/x
  3. Step 3: Cross multiply
    11,214.20x = 16,819.95 × 4,639.61
  4. Step 4: Simplify right side
    11,214.20x = 78,038,008.22
  5. Step 5: Solve for x
    x = 78,038,008.22/11,214.20
  6. Step 6: Final answer
    x = 6,958.86

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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.