Home / 10,087.81-15,134.14-3,162.31

Finding the Fourth Proportional to 10,087.81, 15,134.14 and 3,162.31

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Solution

The fourth proportional to 10,087.81, 15,134.14 and 3,162.31 is: 4,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.81 : 15,134.14 = 3,162.31 : x
  2. Step 2: Convert to fraction form
    10,087.81/15,134.14 = 3,162.31/x
  3. Step 3: Cross multiply
    10,087.81x = 15,134.14 × 3,162.31
  4. Step 4: Simplify right side
    10,087.81x = 47,858,790.59
  5. Step 5: Solve for x
    x = 47,858,790.59/10,087.81
  6. Step 6: Final answer
    x = 4,744.22

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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.