Home / 19,146.11-26,413.16-12,766.55

Finding the Fourth Proportional to 19,146.11, 26,413.16 and 12,766.55

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Solution

The fourth proportional to 19,146.11, 26,413.16 and 12,766.55 is: 17,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.11 : 26,413.16 = 12,766.55 : x
  2. Step 2: Convert to fraction form
    19,146.11/26,413.16 = 12,766.55/x
  3. Step 3: Cross multiply
    19,146.11x = 26,413.16 × 12,766.55
  4. Step 4: Simplify right side
    19,146.11x = 337,204,731.90
  5. Step 5: Solve for x
    x = 337,204,731.90/19,146.11
  6. Step 6: Final answer
    x = 17,612.18

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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.