Home / 10,286.54-15,429.79-2,495.35

Finding the Fourth Proportional to 10,286.54, 15,429.79 and 2,495.35

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Solution

The fourth proportional to 10,286.54, 15,429.79 and 2,495.35 is: 3,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.54 : 15,429.79 = 2,495.35 : x
  2. Step 2: Convert to fraction form
    10,286.54/15,429.79 = 2,495.35/x
  3. Step 3: Cross multiply
    10,286.54x = 15,429.79 × 2,495.35
  4. Step 4: Simplify right side
    10,286.54x = 38,502,636.85
  5. Step 5: Solve for x
    x = 38,502,636.85/10,286.54
  6. Step 6: Final answer
    x = 3,743.01

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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.