Home / 13,863.29-19,131.33-7,575.66

Finding the Fourth Proportional to 13,863.29, 19,131.33 and 7,575.66

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Solution

The fourth proportional to 13,863.29, 19,131.33 and 7,575.66 is: 10,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.29 : 19,131.33 = 7,575.66 : x
  2. Step 2: Convert to fraction form
    13,863.29/19,131.33 = 7,575.66/x
  3. Step 3: Cross multiply
    13,863.29x = 19,131.33 × 7,575.66
  4. Step 4: Simplify right side
    13,863.29x = 144,932,451.43
  5. Step 5: Solve for x
    x = 144,932,451.43/13,863.29
  6. Step 6: Final answer
    x = 10,454.41

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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.