Home / 10,789.20-16,208.10-10,497.60

Finding the Fourth Proportional to 10,789.20, 16,208.10 and 10,497.60

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Solution

The fourth proportional to 10,789.20, 16,208.10 and 10,497.60 is: 15,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.20 : 16,208.10 = 10,497.60 : x
  2. Step 2: Convert to fraction form
    10,789.20/16,208.10 = 10,497.60/x
  3. Step 3: Cross multiply
    10,789.20x = 16,208.10 × 10,497.60
  4. Step 4: Simplify right side
    10,789.20x = 170,146,150.56
  5. Step 5: Solve for x
    x = 170,146,150.56/10,789.20
  6. Step 6: Final answer
    x = 15,770.04

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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.