Home / 14,209.12-19,608.60-8,241.96

Finding the Fourth Proportional to 14,209.12, 19,608.60 and 8,241.96

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Solution

The fourth proportional to 14,209.12, 19,608.60 and 8,241.96 is: 11,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.12 : 19,608.60 = 8,241.96 : x
  2. Step 2: Convert to fraction form
    14,209.12/19,608.60 = 8,241.96/x
  3. Step 3: Cross multiply
    14,209.12x = 19,608.60 × 8,241.96
  4. Step 4: Simplify right side
    14,209.12x = 161,613,296.86
  5. Step 5: Solve for x
    x = 161,613,296.86/14,209.12
  6. Step 6: Final answer
    x = 11,373.91

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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.