Home / 14,122.15-21,183.22-6,320.23

Finding the Fourth Proportional to 14,122.15, 21,183.22 and 6,320.23

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Solution

The fourth proportional to 14,122.15, 21,183.22 and 6,320.23 is: 9,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.15 : 21,183.22 = 6,320.23 : x
  2. Step 2: Convert to fraction form
    14,122.15/21,183.22 = 6,320.23/x
  3. Step 3: Cross multiply
    14,122.15x = 21,183.22 × 6,320.23
  4. Step 4: Simplify right side
    14,122.15x = 133,882,777.48
  5. Step 5: Solve for x
    x = 133,882,777.48/14,122.15
  6. Step 6: Final answer
    x = 9,480.34

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Half scale
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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.