Home / 10,311.23-15,453.07-5,370.51

Finding the Fourth Proportional to 10,311.23, 15,453.07 and 5,370.51

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Solution

The fourth proportional to 10,311.23, 15,453.07 and 5,370.51 is: 8,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.23 : 15,453.07 = 5,370.51 : x
  2. Step 2: Convert to fraction form
    10,311.23/15,453.07 = 5,370.51/x
  3. Step 3: Cross multiply
    10,311.23x = 15,453.07 × 5,370.51
  4. Step 4: Simplify right side
    10,311.23x = 82,990,866.97
  5. Step 5: Solve for x
    x = 82,990,866.97/10,311.23
  6. Step 6: Final answer
    x = 8,048.59

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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.