Home / 14,046.72-21,069.92-5,724.78

Finding the Fourth Proportional to 14,046.72, 21,069.92 and 5,724.78

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Solution

The fourth proportional to 14,046.72, 21,069.92 and 5,724.78 is: 8,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.72 : 21,069.92 = 5,724.78 : x
  2. Step 2: Convert to fraction form
    14,046.72/21,069.92 = 5,724.78/x
  3. Step 3: Cross multiply
    14,046.72x = 21,069.92 × 5,724.78
  4. Step 4: Simplify right side
    14,046.72x = 120,620,656.62
  5. Step 5: Solve for x
    x = 120,620,656.62/14,046.72
  6. Step 6: Final answer
    x = 8,587.10

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1.5x scale

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.