Home / 18,276.91-27,406.71-8,413.27

Finding the Fourth Proportional to 18,276.91, 27,406.71 and 8,413.27

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Solution

The fourth proportional to 18,276.91, 27,406.71 and 8,413.27 is: 12,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.91 : 27,406.71 = 8,413.27 : x
  2. Step 2: Convert to fraction form
    18,276.91/27,406.71 = 8,413.27/x
  3. Step 3: Cross multiply
    18,276.91x = 27,406.71 × 8,413.27
  4. Step 4: Simplify right side
    18,276.91x = 230,580,051.04
  5. Step 5: Solve for x
    x = 230,580,051.04/18,276.91
  6. Step 6: Final answer
    x = 12,615.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.