Home / 13,723.92-20,585.88-5,514

Finding the Fourth Proportional to 13,723.92, 20,585.88 and 5,514

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Solution

The fourth proportional to 13,723.92, 20,585.88 and 5,514 is: 8,271

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.92 : 20,585.88 = 5,514 : x
  2. Step 2: Convert to fraction form
    13,723.92/20,585.88 = 5,514/x
  3. Step 3: Cross multiply
    13,723.92x = 20,585.88 × 5,514
  4. Step 4: Simplify right side
    13,723.92x = 113,510,542.32
  5. Step 5: Solve for x
    x = 113,510,542.32/13,723.92
  6. Step 6: Final answer
    x = 8,271

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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.