Home / 17,413.68-26,111.91-12,151.26

Finding the Fourth Proportional to 17,413.68, 26,111.91 and 12,151.26

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Solution

The fourth proportional to 17,413.68, 26,111.91 and 12,151.26 is: 18,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,413.68 : 26,111.91 = 12,151.26 : x
  2. Step 2: Convert to fraction form
    17,413.68/26,111.91 = 12,151.26/x
  3. Step 3: Cross multiply
    17,413.68x = 26,111.91 × 12,151.26
  4. Step 4: Simplify right side
    17,413.68x = 317,292,607.51
  5. Step 5: Solve for x
    x = 317,292,607.51/17,413.68
  6. Step 6: Final answer
    x = 18,220.88

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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.