Home / 14,086.62-21,120.30-5,764.14

Finding the Fourth Proportional to 14,086.62, 21,120.30 and 5,764.14

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Solution

The fourth proportional to 14,086.62, 21,120.30 and 5,764.14 is: 8,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.62 : 21,120.30 = 5,764.14 : x
  2. Step 2: Convert to fraction form
    14,086.62/21,120.30 = 5,764.14/x
  3. Step 3: Cross multiply
    14,086.62x = 21,120.30 × 5,764.14
  4. Step 4: Simplify right side
    14,086.62x = 121,740,366.04
  5. Step 5: Solve for x
    x = 121,740,366.04/14,086.62
  6. Step 6: Final answer
    x = 8,642.27

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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.