Home / 10,186.36-15,269.82-3,256.12

Finding the Fourth Proportional to 10,186.36, 15,269.82 and 3,256.12

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Solution

The fourth proportional to 10,186.36, 15,269.82 and 3,256.12 is: 4,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.36 : 15,269.82 = 3,256.12 : x
  2. Step 2: Convert to fraction form
    10,186.36/15,269.82 = 3,256.12/x
  3. Step 3: Cross multiply
    10,186.36x = 15,269.82 × 3,256.12
  4. Step 4: Simplify right side
    10,186.36x = 49,720,366.30
  5. Step 5: Solve for x
    x = 49,720,366.30/10,186.36
  6. Step 6: Final answer
    x = 4,881.07

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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.