Home / 11,698.64-16,142.71-6,662.87

Finding the Fourth Proportional to 11,698.64, 16,142.71 and 6,662.87

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Solution

The fourth proportional to 11,698.64, 16,142.71 and 6,662.87 is: 9,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.64 : 16,142.71 = 6,662.87 : x
  2. Step 2: Convert to fraction form
    11,698.64/16,142.71 = 6,662.87/x
  3. Step 3: Cross multiply
    11,698.64x = 16,142.71 × 6,662.87
  4. Step 4: Simplify right side
    11,698.64x = 107,556,778.18
  5. Step 5: Solve for x
    x = 107,556,778.18/11,698.64
  6. Step 6: Final answer
    x = 9,193.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.