Home / 12,552.80-18,832.32-8,862.22

Finding the Fourth Proportional to 12,552.80, 18,832.32 and 8,862.22

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Solution

The fourth proportional to 12,552.80, 18,832.32 and 8,862.22 is: 13,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.80 : 18,832.32 = 8,862.22 : x
  2. Step 2: Convert to fraction form
    12,552.80/18,832.32 = 8,862.22/x
  3. Step 3: Cross multiply
    12,552.80x = 18,832.32 × 8,862.22
  4. Step 4: Simplify right side
    12,552.80x = 166,896,162.95
  5. Step 5: Solve for x
    x = 166,896,162.95/12,552.80
  6. Step 6: Final answer
    x = 13,295.53

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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.