Home / 14,613.57-20,168.69-8,241.47

Finding the Fourth Proportional to 14,613.57, 20,168.69 and 8,241.47

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Solution

The fourth proportional to 14,613.57, 20,168.69 and 8,241.47 is: 11,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.57 : 20,168.69 = 8,241.47 : x
  2. Step 2: Convert to fraction form
    14,613.57/20,168.69 = 8,241.47/x
  3. Step 3: Cross multiply
    14,613.57x = 20,168.69 × 8,241.47
  4. Step 4: Simplify right side
    14,613.57x = 166,219,511.52
  5. Step 5: Solve for x
    x = 166,219,511.52/14,613.57
  6. Step 6: Final answer
    x = 11,374.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.