Home / 19,413.22-26,798.64-12,249.58

Finding the Fourth Proportional to 19,413.22, 26,798.64 and 12,249.58

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Solution

The fourth proportional to 19,413.22, 26,798.64 and 12,249.58 is: 16,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.22 : 26,798.64 = 12,249.58 : x
  2. Step 2: Convert to fraction form
    19,413.22/26,798.64 = 12,249.58/x
  3. Step 3: Cross multiply
    19,413.22x = 26,798.64 × 12,249.58
  4. Step 4: Simplify right side
    19,413.22x = 328,272,084.57
  5. Step 5: Solve for x
    x = 328,272,084.57/19,413.22
  6. Step 6: Final answer
    x = 16,909.72

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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.