Home / 16,756.20-25,134.30-12,819.60

Finding the Fourth Proportional to 16,756.20, 25,134.30 and 12,819.60

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Solution

The fourth proportional to 16,756.20, 25,134.30 and 12,819.60 is: 19,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.20 : 25,134.30 = 12,819.60 : x
  2. Step 2: Convert to fraction form
    16,756.20/25,134.30 = 12,819.60/x
  3. Step 3: Cross multiply
    16,756.20x = 25,134.30 × 12,819.60
  4. Step 4: Simplify right side
    16,756.20x = 322,211,672.28
  5. Step 5: Solve for x
    x = 322,211,672.28/16,756.20
  6. Step 6: Final answer
    x = 19,229.40

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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.