Home / 13,683.32-20,489.96-10,914

Finding the Fourth Proportional to 13,683.32, 20,489.96 and 10,914

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Solution

The fourth proportional to 13,683.32, 20,489.96 and 10,914 is: 16,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.32 : 20,489.96 = 10,914 : x
  2. Step 2: Convert to fraction form
    13,683.32/20,489.96 = 10,914/x
  3. Step 3: Cross multiply
    13,683.32x = 20,489.96 × 10,914
  4. Step 4: Simplify right side
    13,683.32x = 223,627,423.44
  5. Step 5: Solve for x
    x = 223,627,423.44/13,683.32
  6. Step 6: Final answer
    x = 16,343.07

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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.