Home / 16,936.80-25,413.96-11,318.40

Finding the Fourth Proportional to 16,936.80, 25,413.96 and 11,318.40

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Solution

The fourth proportional to 16,936.80, 25,413.96 and 11,318.40 is: 16,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.80 : 25,413.96 = 11,318.40 : x
  2. Step 2: Convert to fraction form
    16,936.80/25,413.96 = 11,318.40/x
  3. Step 3: Cross multiply
    16,936.80x = 25,413.96 × 11,318.40
  4. Step 4: Simplify right side
    16,936.80x = 287,645,364.86
  5. Step 5: Solve for x
    x = 287,645,364.86/16,936.80
  6. Step 6: Final answer
    x = 16,983.45

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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.