Home / 14,394.20-19,863.62-8,020.82

Finding the Fourth Proportional to 14,394.20, 19,863.62 and 8,020.82

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Solution

The fourth proportional to 14,394.20, 19,863.62 and 8,020.82 is: 11,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.20 : 19,863.62 = 8,020.82 : x
  2. Step 2: Convert to fraction form
    14,394.20/19,863.62 = 8,020.82/x
  3. Step 3: Cross multiply
    14,394.20x = 19,863.62 × 8,020.82
  4. Step 4: Simplify right side
    14,394.20x = 159,322,520.57
  5. Step 5: Solve for x
    x = 159,322,520.57/14,394.20
  6. Step 6: Final answer
    x = 11,068.52

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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.