Home / 10,546.20-15,819.30-7,435.80

Finding the Fourth Proportional to 10,546.20, 15,819.30 and 7,435.80

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Solution

The fourth proportional to 10,546.20, 15,819.30 and 7,435.80 is: 11,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.20 : 15,819.30 = 7,435.80 : x
  2. Step 2: Convert to fraction form
    10,546.20/15,819.30 = 7,435.80/x
  3. Step 3: Cross multiply
    10,546.20x = 15,819.30 × 7,435.80
  4. Step 4: Simplify right side
    10,546.20x = 117,629,150.94
  5. Step 5: Solve for x
    x = 117,629,150.94/10,546.20
  6. Step 6: Final answer
    x = 11,153.70

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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.