Home / 13,701.62-18,908.25-7,413.98

Finding the Fourth Proportional to 13,701.62, 18,908.25 and 7,413.98

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Solution

The fourth proportional to 13,701.62, 18,908.25 and 7,413.98 is: 10,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.62 : 18,908.25 = 7,413.98 : x
  2. Step 2: Convert to fraction form
    13,701.62/18,908.25 = 7,413.98/x
  3. Step 3: Cross multiply
    13,701.62x = 18,908.25 × 7,413.98
  4. Step 4: Simplify right side
    13,701.62x = 140,185,387.34
  5. Step 5: Solve for x
    x = 140,185,387.34/13,701.62
  6. Step 6: Final answer
    x = 10,231.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.