Home / 10,688.26-16,035.64-5,689.79

Finding the Fourth Proportional to 10,688.26, 16,035.64 and 5,689.79

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Solution

The fourth proportional to 10,688.26, 16,035.64 and 5,689.79 is: 8,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.26 : 16,035.64 = 5,689.79 : x
  2. Step 2: Convert to fraction form
    10,688.26/16,035.64 = 5,689.79/x
  3. Step 3: Cross multiply
    10,688.26x = 16,035.64 × 5,689.79
  4. Step 4: Simplify right side
    10,688.26x = 91,239,424.12
  5. Step 5: Solve for x
    x = 91,239,424.12/10,688.26
  6. Step 6: Final answer
    x = 8,536.42

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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.