Home / 14,454.96-21,682.44-5,220.96

Finding the Fourth Proportional to 14,454.96, 21,682.44 and 5,220.96

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Solution

The fourth proportional to 14,454.96, 21,682.44 and 5,220.96 is: 7,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.96 : 21,682.44 = 5,220.96 : x
  2. Step 2: Convert to fraction form
    14,454.96/21,682.44 = 5,220.96/x
  3. Step 3: Cross multiply
    14,454.96x = 21,682.44 × 5,220.96
  4. Step 4: Simplify right side
    14,454.96x = 113,203,151.94
  5. Step 5: Solve for x
    x = 113,203,151.94/14,454.96
  6. Step 6: Final answer
    x = 7,831.44

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Double scale
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Similar ratio
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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.