Home / 10,286.30-15,429.50-2,495.11

Finding the Fourth Proportional to 10,286.30, 15,429.50 and 2,495.11

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Solution

The fourth proportional to 10,286.30, 15,429.50 and 2,495.11 is: 3,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.30 : 15,429.50 = 2,495.11 : x
  2. Step 2: Convert to fraction form
    10,286.30/15,429.50 = 2,495.11/x
  3. Step 3: Cross multiply
    10,286.30x = 15,429.50 × 2,495.11
  4. Step 4: Simplify right side
    10,286.30x = 38,498,299.75
  5. Step 5: Solve for x
    x = 38,498,299.75/10,286.30
  6. Step 6: Final answer
    x = 3,742.68

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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.