Home / 17,921.19-26,895.69-12,413.13

Finding the Fourth Proportional to 17,921.19, 26,895.69 and 12,413.13

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Solution

The fourth proportional to 17,921.19, 26,895.69 and 12,413.13 is: 18,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.19 : 26,895.69 = 12,413.13 : x
  2. Step 2: Convert to fraction form
    17,921.19/26,895.69 = 12,413.13/x
  3. Step 3: Cross multiply
    17,921.19x = 26,895.69 × 12,413.13
  4. Step 4: Simplify right side
    17,921.19x = 333,859,696.41
  5. Step 5: Solve for x
    x = 333,859,696.41/17,921.19
  6. Step 6: Final answer
    x = 18,629.33

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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.