Home / 13,618.58-20,392.22-8,923.82

Finding the Fourth Proportional to 13,618.58, 20,392.22 and 8,923.82

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Solution

The fourth proportional to 13,618.58, 20,392.22 and 8,923.82 is: 13,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.58 : 20,392.22 = 8,923.82 : x
  2. Step 2: Convert to fraction form
    13,618.58/20,392.22 = 8,923.82/x
  3. Step 3: Cross multiply
    13,618.58x = 20,392.22 × 8,923.82
  4. Step 4: Simplify right side
    13,618.58x = 181,976,500.68
  5. Step 5: Solve for x
    x = 181,976,500.68/13,618.58
  6. Step 6: Final answer
    x = 13,362.37

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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.