Home / 19,146.32-26,413.80-11,690

Finding the Fourth Proportional to 19,146.32, 26,413.80 and 11,690

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Solution

The fourth proportional to 19,146.32, 26,413.80 and 11,690 is: 16,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.32 : 26,413.80 = 11,690 : x
  2. Step 2: Convert to fraction form
    19,146.32/26,413.80 = 11,690/x
  3. Step 3: Cross multiply
    19,146.32x = 26,413.80 × 11,690
  4. Step 4: Simplify right side
    19,146.32x = 308,777,322
  5. Step 5: Solve for x
    x = 308,777,322/19,146.32
  6. Step 6: Final answer
    x = 16,127.24

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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.