Home / 15,413.82-23,102.27-7,909.68

Finding the Fourth Proportional to 15,413.82, 23,102.27 and 7,909.68

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Solution

The fourth proportional to 15,413.82, 23,102.27 and 7,909.68 is: 11,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.82 : 23,102.27 = 7,909.68 : x
  2. Step 2: Convert to fraction form
    15,413.82/23,102.27 = 7,909.68/x
  3. Step 3: Cross multiply
    15,413.82x = 23,102.27 × 7,909.68
  4. Step 4: Simplify right side
    15,413.82x = 182,731,562.97
  5. Step 5: Solve for x
    x = 182,731,562.97/15,413.82
  6. Step 6: Final answer
    x = 11,855.05

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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.