Home / 13,516.27-20,247.22-6,741.43

Finding the Fourth Proportional to 13,516.27, 20,247.22 and 6,741.43

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Solution

The fourth proportional to 13,516.27, 20,247.22 and 6,741.43 is: 10,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.27 : 20,247.22 = 6,741.43 : x
  2. Step 2: Convert to fraction form
    13,516.27/20,247.22 = 6,741.43/x
  3. Step 3: Cross multiply
    13,516.27x = 20,247.22 × 6,741.43
  4. Step 4: Simplify right side
    13,516.27x = 136,495,136.21
  5. Step 5: Solve for x
    x = 136,495,136.21/13,516.27
  6. Step 6: Final answer
    x = 10,098.58

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1.5x scale

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.