Home / 12,629.60-18,922.83-8,924.66

Finding the Fourth Proportional to 12,629.60, 18,922.83 and 8,924.66

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Solution

The fourth proportional to 12,629.60, 18,922.83 and 8,924.66 is: 13,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.60 : 18,922.83 = 8,924.66 : x
  2. Step 2: Convert to fraction form
    12,629.60/18,922.83 = 8,924.66/x
  3. Step 3: Cross multiply
    12,629.60x = 18,922.83 × 8,924.66
  4. Step 4: Simplify right side
    12,629.60x = 168,879,823.99
  5. Step 5: Solve for x
    x = 168,879,823.99/12,629.60
  6. Step 6: Final answer
    x = 13,371.75

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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.