Home / 22,826.13-31,500.32-12,618.43

Finding the Fourth Proportional to 22,826.13, 31,500.32 and 12,618.43

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Solution

The fourth proportional to 22,826.13, 31,500.32 and 12,618.43 is: 17,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,826.13 : 31,500.32 = 12,618.43 : x
  2. Step 2: Convert to fraction form
    22,826.13/31,500.32 = 12,618.43/x
  3. Step 3: Cross multiply
    22,826.13x = 31,500.32 × 12,618.43
  4. Step 4: Simplify right side
    22,826.13x = 397,484,441.05
  5. Step 5: Solve for x
    x = 397,484,441.05/22,826.13
  6. Step 6: Final answer
    x = 17,413.57

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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.