Home / 13,413.35-18,510.73-7,444.94

Finding the Fourth Proportional to 13,413.35, 18,510.73 and 7,444.94

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Solution

The fourth proportional to 13,413.35, 18,510.73 and 7,444.94 is: 10,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.35 : 18,510.73 = 7,444.94 : x
  2. Step 2: Convert to fraction form
    13,413.35/18,510.73 = 7,444.94/x
  3. Step 3: Cross multiply
    13,413.35x = 18,510.73 × 7,444.94
  4. Step 4: Simplify right side
    13,413.35x = 137,811,163.04
  5. Step 5: Solve for x
    x = 137,811,163.04/13,413.35
  6. Step 6: Final answer
    x = 10,274.18

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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.