Home / 10,286.41-15,429.56-2,495.22

Finding the Fourth Proportional to 10,286.41, 15,429.56 and 2,495.22

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Solution

The fourth proportional to 10,286.41, 15,429.56 and 2,495.22 is: 3,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.41 : 15,429.56 = 2,495.22 : x
  2. Step 2: Convert to fraction form
    10,286.41/15,429.56 = 2,495.22/x
  3. Step 3: Cross multiply
    10,286.41x = 15,429.56 × 2,495.22
  4. Step 4: Simplify right side
    10,286.41x = 38,500,146.70
  5. Step 5: Solve for x
    x = 38,500,146.70/10,286.41
  6. Step 6: Final answer
    x = 3,742.82

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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.