Home / 12,255.30-16,911.99-6,950.34

Finding the Fourth Proportional to 12,255.30, 16,911.99 and 6,950.34

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Solution

The fourth proportional to 12,255.30, 16,911.99 and 6,950.34 is: 9,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.30 : 16,911.99 = 6,950.34 : x
  2. Step 2: Convert to fraction form
    12,255.30/16,911.99 = 6,950.34/x
  3. Step 3: Cross multiply
    12,255.30x = 16,911.99 × 6,950.34
  4. Step 4: Simplify right side
    12,255.30x = 117,544,080.58
  5. Step 5: Solve for x
    x = 117,544,080.58/12,255.30
  6. Step 6: Final answer
    x = 9,591.29

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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.