Home / 12,174.09-18,261.63-3,854.27

Finding the Fourth Proportional to 12,174.09, 18,261.63 and 3,854.27

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Solution

The fourth proportional to 12,174.09, 18,261.63 and 3,854.27 is: 5,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.09 : 18,261.63 = 3,854.27 : x
  2. Step 2: Convert to fraction form
    12,174.09/18,261.63 = 3,854.27/x
  3. Step 3: Cross multiply
    12,174.09x = 18,261.63 × 3,854.27
  4. Step 4: Simplify right side
    12,174.09x = 70,385,161.35
  5. Step 5: Solve for x
    x = 70,385,161.35/12,174.09
  6. Step 6: Final answer
    x = 5,781.55

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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.