Home / 13,727.84-20,598.66-5,413.82

Finding the Fourth Proportional to 13,727.84, 20,598.66 and 5,413.82

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Solution

The fourth proportional to 13,727.84, 20,598.66 and 5,413.82 is: 8,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.84 : 20,598.66 = 5,413.82 : x
  2. Step 2: Convert to fraction form
    13,727.84/20,598.66 = 5,413.82/x
  3. Step 3: Cross multiply
    13,727.84x = 20,598.66 × 5,413.82
  4. Step 4: Simplify right side
    13,727.84x = 111,517,488.98
  5. Step 5: Solve for x
    x = 111,517,488.98/13,727.84
  6. Step 6: Final answer
    x = 8,123.45

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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.