Home / 10,214.44-15,310.74-5,282.80

Finding the Fourth Proportional to 10,214.44, 15,310.74 and 5,282.80

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Solution

The fourth proportional to 10,214.44, 15,310.74 and 5,282.80 is: 7,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.44 : 15,310.74 = 5,282.80 : x
  2. Step 2: Convert to fraction form
    10,214.44/15,310.74 = 5,282.80/x
  3. Step 3: Cross multiply
    10,214.44x = 15,310.74 × 5,282.80
  4. Step 4: Simplify right side
    10,214.44x = 80,883,577.27
  5. Step 5: Solve for x
    x = 80,883,577.27/10,214.44
  6. Step 6: Final answer
    x = 7,918.55

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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.