Home / 22,712.09-34,066.71-8,477.79

Finding the Fourth Proportional to 22,712.09, 34,066.71 and 8,477.79

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Solution

The fourth proportional to 22,712.09, 34,066.71 and 8,477.79 is: 12,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.09 : 34,066.71 = 8,477.79 : x
  2. Step 2: Convert to fraction form
    22,712.09/34,066.71 = 8,477.79/x
  3. Step 3: Cross multiply
    22,712.09x = 34,066.71 × 8,477.79
  4. Step 4: Simplify right side
    22,712.09x = 288,810,413.37
  5. Step 5: Solve for x
    x = 288,810,413.37/22,712.09
  6. Step 6: Final answer
    x = 12,716.16

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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.