Home / 12,550.80-18,829.32-8,860.22

Finding the Fourth Proportional to 12,550.80, 18,829.32 and 8,860.22

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Solution

The fourth proportional to 12,550.80, 18,829.32 and 8,860.22 is: 13,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.80 : 18,829.32 = 8,860.22 : x
  2. Step 2: Convert to fraction form
    12,550.80/18,829.32 = 8,860.22/x
  3. Step 3: Cross multiply
    12,550.80x = 18,829.32 × 8,860.22
  4. Step 4: Simplify right side
    12,550.80x = 166,831,917.65
  5. Step 5: Solve for x
    x = 166,831,917.65/12,550.80
  6. Step 6: Final answer
    x = 13,292.53

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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.