Home / 13,342.29-18,413.31-7,373.84

Finding the Fourth Proportional to 13,342.29, 18,413.31 and 7,373.84

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Solution

The fourth proportional to 13,342.29, 18,413.31 and 7,373.84 is: 10,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.29 : 18,413.31 = 7,373.84 : x
  2. Step 2: Convert to fraction form
    13,342.29/18,413.31 = 7,373.84/x
  3. Step 3: Cross multiply
    13,342.29x = 18,413.31 × 7,373.84
  4. Step 4: Simplify right side
    13,342.29x = 135,776,695.92
  5. Step 5: Solve for x
    x = 135,776,695.92/13,342.29
  6. Step 6: Final answer
    x = 10,176.42

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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.