Home / 10,351.50-15,528.87-3,427.62

Finding the Fourth Proportional to 10,351.50, 15,528.87 and 3,427.62

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Solution

The fourth proportional to 10,351.50, 15,528.87 and 3,427.62 is: 5,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.50 : 15,528.87 = 3,427.62 : x
  2. Step 2: Convert to fraction form
    10,351.50/15,528.87 = 3,427.62/x
  3. Step 3: Cross multiply
    10,351.50x = 15,528.87 × 3,427.62
  4. Step 4: Simplify right side
    10,351.50x = 53,227,065.39
  5. Step 5: Solve for x
    x = 53,227,065.39/10,351.50
  6. Step 6: Final answer
    x = 5,141.97

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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.