Home / 10,286.38-15,429.57-2,495.13

Finding the Fourth Proportional to 10,286.38, 15,429.57 and 2,495.13

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Solution

The fourth proportional to 10,286.38, 15,429.57 and 2,495.13 is: 3,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.38 : 15,429.57 = 2,495.13 : x
  2. Step 2: Convert to fraction form
    10,286.38/15,429.57 = 2,495.13/x
  3. Step 3: Cross multiply
    10,286.38x = 15,429.57 × 2,495.13
  4. Step 4: Simplify right side
    10,286.38x = 38,498,782.99
  5. Step 5: Solve for x
    x = 38,498,782.99/10,286.38
  6. Step 6: Final answer
    x = 3,742.70

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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.