Home / 10,286.35-15,429.42-3,266.18

Finding the Fourth Proportional to 10,286.35, 15,429.42 and 3,266.18

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Solution

The fourth proportional to 10,286.35, 15,429.42 and 3,266.18 is: 4,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.35 : 15,429.42 = 3,266.18 : x
  2. Step 2: Convert to fraction form
    10,286.35/15,429.42 = 3,266.18/x
  3. Step 3: Cross multiply
    10,286.35x = 15,429.42 × 3,266.18
  4. Step 4: Simplify right side
    10,286.35x = 50,395,208.11
  5. Step 5: Solve for x
    x = 50,395,208.11/10,286.35
  6. Step 6: Final answer
    x = 4,899.23

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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.