Home / 12,823.60-19,249.80-9,914.80

Finding the Fourth Proportional to 12,823.60, 19,249.80 and 9,914.80

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Solution

The fourth proportional to 12,823.60, 19,249.80 and 9,914.80 is: 14,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.60 : 19,249.80 = 9,914.80 : x
  2. Step 2: Convert to fraction form
    12,823.60/19,249.80 = 9,914.80/x
  3. Step 3: Cross multiply
    12,823.60x = 19,249.80 × 9,914.80
  4. Step 4: Simplify right side
    12,823.60x = 190,857,917.04
  5. Step 5: Solve for x
    x = 190,857,917.04/12,823.60
  6. Step 6: Final answer
    x = 14,883.33

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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.