Home / 19,413.21-26,798.64-12,249.57

Finding the Fourth Proportional to 19,413.21, 26,798.64 and 12,249.57

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Solution

The fourth proportional to 19,413.21, 26,798.64 and 12,249.57 is: 16,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.21 : 26,798.64 = 12,249.57 : x
  2. Step 2: Convert to fraction form
    19,413.21/26,798.64 = 12,249.57/x
  3. Step 3: Cross multiply
    19,413.21x = 26,798.64 × 12,249.57
  4. Step 4: Simplify right side
    19,413.21x = 328,271,816.58
  5. Step 5: Solve for x
    x = 328,271,816.58/19,413.21
  6. Step 6: Final answer
    x = 16,909.71

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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.