Home / 12,604.07-18,917.78-6,368.48

Finding the Fourth Proportional to 12,604.07, 18,917.78 and 6,368.48

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Solution

The fourth proportional to 12,604.07, 18,917.78 and 6,368.48 is: 9,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.07 : 18,917.78 = 6,368.48 : x
  2. Step 2: Convert to fraction form
    12,604.07/18,917.78 = 6,368.48/x
  3. Step 3: Cross multiply
    12,604.07x = 18,917.78 × 6,368.48
  4. Step 4: Simplify right side
    12,604.07x = 120,477,377.14
  5. Step 5: Solve for x
    x = 120,477,377.14/12,604.07
  6. Step 6: Final answer
    x = 9,558.61

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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.