Home / 19,904.32-27,484.68-13,634.92

Finding the Fourth Proportional to 19,904.32, 27,484.68 and 13,634.92

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Solution

The fourth proportional to 19,904.32, 27,484.68 and 13,634.92 is: 18,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.32 : 27,484.68 = 13,634.92 : x
  2. Step 2: Convert to fraction form
    19,904.32/27,484.68 = 13,634.92/x
  3. Step 3: Cross multiply
    19,904.32x = 27,484.68 × 13,634.92
  4. Step 4: Simplify right side
    19,904.32x = 374,751,413.03
  5. Step 5: Solve for x
    x = 374,751,413.03/19,904.32
  6. Step 6: Final answer
    x = 18,827.64

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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.