Home / 10,605.24-15,908.41-2,707.83

Finding the Fourth Proportional to 10,605.24, 15,908.41 and 2,707.83

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Solution

The fourth proportional to 10,605.24, 15,908.41 and 2,707.83 is: 4,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.24 : 15,908.41 = 2,707.83 : x
  2. Step 2: Convert to fraction form
    10,605.24/15,908.41 = 2,707.83/x
  3. Step 3: Cross multiply
    10,605.24x = 15,908.41 × 2,707.83
  4. Step 4: Simplify right side
    10,605.24x = 43,077,269.85
  5. Step 5: Solve for x
    x = 43,077,269.85/10,605.24
  6. Step 6: Final answer
    x = 4,061.89

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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.