Home / 14,179.72-19,447.73-13,828.36

Finding the Fourth Proportional to 14,179.72, 19,447.73 and 13,828.36

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Solution

The fourth proportional to 14,179.72, 19,447.73 and 13,828.36 is: 18,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.72 : 19,447.73 = 13,828.36 : x
  2. Step 2: Convert to fraction form
    14,179.72/19,447.73 = 13,828.36/x
  3. Step 3: Cross multiply
    14,179.72x = 19,447.73 × 13,828.36
  4. Step 4: Simplify right side
    14,179.72x = 268,930,211.62
  5. Step 5: Solve for x
    x = 268,930,211.62/14,179.72
  6. Step 6: Final answer
    x = 18,965.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.