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Finding the Fourth Proportional to 11,995.01, 17,997.71 and 6,441.87

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Solution

The fourth proportional to 11,995.01, 17,997.71 and 6,441.87 is: 9,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.01 : 17,997.71 = 6,441.87 : x
  2. Step 2: Convert to fraction form
    11,995.01/17,997.71 = 6,441.87/x
  3. Step 3: Cross multiply
    11,995.01x = 17,997.71 × 6,441.87
  4. Step 4: Simplify right side
    11,995.01x = 115,938,875.91
  5. Step 5: Solve for x
    x = 115,938,875.91/11,995.01
  6. Step 6: Final answer
    x = 9,665.60

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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.