Home / 10,646.44-15,969.66-2,855.05

Finding the Fourth Proportional to 10,646.44, 15,969.66 and 2,855.05

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Solution

The fourth proportional to 10,646.44, 15,969.66 and 2,855.05 is: 4,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.44 : 15,969.66 = 2,855.05 : x
  2. Step 2: Convert to fraction form
    10,646.44/15,969.66 = 2,855.05/x
  3. Step 3: Cross multiply
    10,646.44x = 15,969.66 × 2,855.05
  4. Step 4: Simplify right side
    10,646.44x = 45,594,177.78
  5. Step 5: Solve for x
    x = 45,594,177.78/10,646.44
  6. Step 6: Final answer
    x = 4,282.58

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Similar ratio
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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.