Home / 19,966.78-29,944.08-8,277.26

Finding the Fourth Proportional to 19,966.78, 29,944.08 and 8,277.26

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Solution

The fourth proportional to 19,966.78, 29,944.08 and 8,277.26 is: 12,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.78 : 29,944.08 = 8,277.26 : x
  2. Step 2: Convert to fraction form
    19,966.78/29,944.08 = 8,277.26/x
  3. Step 3: Cross multiply
    19,966.78x = 29,944.08 × 8,277.26
  4. Step 4: Simplify right side
    19,966.78x = 247,854,935.62
  5. Step 5: Solve for x
    x = 247,854,935.62/19,966.78
  6. Step 6: Final answer
    x = 12,413.37

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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.