Home / 19,944.81-29,918.80-6,617.32

Finding the Fourth Proportional to 19,944.81, 29,918.80 and 6,617.32

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Solution

The fourth proportional to 19,944.81, 29,918.80 and 6,617.32 is: 9,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.81 : 29,918.80 = 6,617.32 : x
  2. Step 2: Convert to fraction form
    19,944.81/29,918.80 = 6,617.32/x
  3. Step 3: Cross multiply
    19,944.81x = 29,918.80 × 6,617.32
  4. Step 4: Simplify right side
    19,944.81x = 197,982,273.62
  5. Step 5: Solve for x
    x = 197,982,273.62/19,944.81
  6. Step 6: Final answer
    x = 9,926.51

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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.