Home / 10,709.67-16,057.65-5,151.96

Finding the Fourth Proportional to 10,709.67, 16,057.65 and 5,151.96

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Solution

The fourth proportional to 10,709.67, 16,057.65 and 5,151.96 is: 7,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.67 : 16,057.65 = 5,151.96 : x
  2. Step 2: Convert to fraction form
    10,709.67/16,057.65 = 5,151.96/x
  3. Step 3: Cross multiply
    10,709.67x = 16,057.65 × 5,151.96
  4. Step 4: Simplify right side
    10,709.67x = 82,728,370.49
  5. Step 5: Solve for x
    x = 82,728,370.49/10,709.67
  6. Step 6: Final answer
    x = 7,724.64

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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.