Home / 14,345.52-21,519.92-3,815.97

Finding the Fourth Proportional to 14,345.52, 21,519.92 and 3,815.97

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Solution

The fourth proportional to 14,345.52, 21,519.92 and 3,815.97 is: 5,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.52 : 21,519.92 = 3,815.97 : x
  2. Step 2: Convert to fraction form
    14,345.52/21,519.92 = 3,815.97/x
  3. Step 3: Cross multiply
    14,345.52x = 21,519.92 × 3,815.97
  4. Step 4: Simplify right side
    14,345.52x = 82,119,452.63
  5. Step 5: Solve for x
    x = 82,119,452.63/14,345.52
  6. Step 6: Final answer
    x = 5,724.40

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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.