Home / 14,739.27-20,340.42-8,365.68

Finding the Fourth Proportional to 14,739.27, 20,340.42 and 8,365.68

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Solution

The fourth proportional to 14,739.27, 20,340.42 and 8,365.68 is: 11,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.27 : 20,340.42 = 8,365.68 : x
  2. Step 2: Convert to fraction form
    14,739.27/20,340.42 = 8,365.68/x
  3. Step 3: Cross multiply
    14,739.27x = 20,340.42 × 8,365.68
  4. Step 4: Simplify right side
    14,739.27x = 170,161,413.41
  5. Step 5: Solve for x
    x = 170,161,413.41/14,739.27
  6. Step 6: Final answer
    x = 11,544.77

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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.