Home / 13,413.06-18,510.03-7,444.50

Finding the Fourth Proportional to 13,413.06, 18,510.03 and 7,444.50

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Solution

The fourth proportional to 13,413.06, 18,510.03 and 7,444.50 is: 10,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.06 : 18,510.03 = 7,444.50 : x
  2. Step 2: Convert to fraction form
    13,413.06/18,510.03 = 7,444.50/x
  3. Step 3: Cross multiply
    13,413.06x = 18,510.03 × 7,444.50
  4. Step 4: Simplify right side
    13,413.06x = 137,797,918.34
  5. Step 5: Solve for x
    x = 137,797,918.34/13,413.06
  6. Step 6: Final answer
    x = 10,273.41

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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.