Home / 19,988.44-29,982.66-6,137.44

Finding the Fourth Proportional to 19,988.44, 29,982.66 and 6,137.44

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Solution

The fourth proportional to 19,988.44, 29,982.66 and 6,137.44 is: 9,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.44 : 29,982.66 = 6,137.44 : x
  2. Step 2: Convert to fraction form
    19,988.44/29,982.66 = 6,137.44/x
  3. Step 3: Cross multiply
    19,988.44x = 29,982.66 × 6,137.44
  4. Step 4: Simplify right side
    19,988.44x = 184,016,678.82
  5. Step 5: Solve for x
    x = 184,016,678.82/19,988.44
  6. Step 6: Final answer
    x = 9,206.16

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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.