Home / 14,067.09-19,438.29-13,383.90

Finding the Fourth Proportional to 14,067.09, 19,438.29 and 13,383.90

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Solution

The fourth proportional to 14,067.09, 19,438.29 and 13,383.90 is: 18,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.09 : 19,438.29 = 13,383.90 : x
  2. Step 2: Convert to fraction form
    14,067.09/19,438.29 = 13,383.90/x
  3. Step 3: Cross multiply
    14,067.09x = 19,438.29 × 13,383.90
  4. Step 4: Simplify right side
    14,067.09x = 260,160,129.53
  5. Step 5: Solve for x
    x = 260,160,129.53/14,067.09
  6. Step 6: Final answer
    x = 18,494.24

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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.