Home / 21,413.24-29,552.48-12,338.92

Finding the Fourth Proportional to 21,413.24, 29,552.48 and 12,338.92

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Solution

The fourth proportional to 21,413.24, 29,552.48 and 12,338.92 is: 17,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.24 : 29,552.48 = 12,338.92 : x
  2. Step 2: Convert to fraction form
    21,413.24/29,552.48 = 12,338.92/x
  3. Step 3: Cross multiply
    21,413.24x = 29,552.48 × 12,338.92
  4. Step 4: Simplify right side
    21,413.24x = 364,645,686.52
  5. Step 5: Solve for x
    x = 364,645,686.52/21,413.24
  6. Step 6: Final answer
    x = 17,028.98

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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.