Home / 13,884.07-20,835.32-6,489.10

Finding the Fourth Proportional to 13,884.07, 20,835.32 and 6,489.10

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Solution

The fourth proportional to 13,884.07, 20,835.32 and 6,489.10 is: 9,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.07 : 20,835.32 = 6,489.10 : x
  2. Step 2: Convert to fraction form
    13,884.07/20,835.32 = 6,489.10/x
  3. Step 3: Cross multiply
    13,884.07x = 20,835.32 × 6,489.10
  4. Step 4: Simplify right side
    13,884.07x = 135,202,475.01
  5. Step 5: Solve for x
    x = 135,202,475.01/13,884.07
  6. Step 6: Final answer
    x = 9,737.96

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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.