Home / 14,245.50-21,365.77-3,854.82

Finding the Fourth Proportional to 14,245.50, 21,365.77 and 3,854.82

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Solution

The fourth proportional to 14,245.50, 21,365.77 and 3,854.82 is: 5,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.50 : 21,365.77 = 3,854.82 : x
  2. Step 2: Convert to fraction form
    14,245.50/21,365.77 = 3,854.82/x
  3. Step 3: Cross multiply
    14,245.50x = 21,365.77 × 3,854.82
  4. Step 4: Simplify right side
    14,245.50x = 82,361,197.51
  5. Step 5: Solve for x
    x = 82,361,197.51/14,245.50
  6. Step 6: Final answer
    x = 5,781.56

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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.