Home / 10,849.20-16,284.60-5,308.80

Finding the Fourth Proportional to 10,849.20, 16,284.60 and 5,308.80

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Solution

The fourth proportional to 10,849.20, 16,284.60 and 5,308.80 is: 7,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.20 : 16,284.60 = 5,308.80 : x
  2. Step 2: Convert to fraction form
    10,849.20/16,284.60 = 5,308.80/x
  3. Step 3: Cross multiply
    10,849.20x = 16,284.60 × 5,308.80
  4. Step 4: Simplify right side
    10,849.20x = 86,451,684.48
  5. Step 5: Solve for x
    x = 86,451,684.48/10,849.20
  6. Step 6: Final answer
    x = 7,968.48

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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.