Home / 14,149.08-21,227.01-9,997.20

Finding the Fourth Proportional to 14,149.08, 21,227.01 and 9,997.20

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Solution

The fourth proportional to 14,149.08, 21,227.01 and 9,997.20 is: 14,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.08 : 21,227.01 = 9,997.20 : x
  2. Step 2: Convert to fraction form
    14,149.08/21,227.01 = 9,997.20/x
  3. Step 3: Cross multiply
    14,149.08x = 21,227.01 × 9,997.20
  4. Step 4: Simplify right side
    14,149.08x = 212,210,664.37
  5. Step 5: Solve for x
    x = 212,210,664.37/14,149.08
  6. Step 6: Final answer
    x = 14,998.20

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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.