Home / 10,683.94-16,031.64-5,489.81

Finding the Fourth Proportional to 10,683.94, 16,031.64 and 5,489.81

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Solution

The fourth proportional to 10,683.94, 16,031.64 and 5,489.81 is: 8,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,683.94 : 16,031.64 = 5,489.81 : x
  2. Step 2: Convert to fraction form
    10,683.94/16,031.64 = 5,489.81/x
  3. Step 3: Cross multiply
    10,683.94x = 16,031.64 × 5,489.81
  4. Step 4: Simplify right side
    10,683.94x = 88,010,657.59
  5. Step 5: Solve for x
    x = 88,010,657.59/10,683.94
  6. Step 6: Final answer
    x = 8,237.66

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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.