Home / 18,503.82-27,759.60-6,658.18

Finding the Fourth Proportional to 18,503.82, 27,759.60 and 6,658.18

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Solution

The fourth proportional to 18,503.82, 27,759.60 and 6,658.18 is: 9,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.82 : 27,759.60 = 6,658.18 : x
  2. Step 2: Convert to fraction form
    18,503.82/27,759.60 = 6,658.18/x
  3. Step 3: Cross multiply
    18,503.82x = 27,759.60 × 6,658.18
  4. Step 4: Simplify right side
    18,503.82x = 184,828,413.53
  5. Step 5: Solve for x
    x = 184,828,413.53/18,503.82
  6. Step 6: Final answer
    x = 9,988.66

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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.