Home / 12,216.53-16,857.64-6,910.31

Finding the Fourth Proportional to 12,216.53, 16,857.64 and 6,910.31

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Solution

The fourth proportional to 12,216.53, 16,857.64 and 6,910.31 is: 9,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.53 : 16,857.64 = 6,910.31 : x
  2. Step 2: Convert to fraction form
    12,216.53/16,857.64 = 6,910.31/x
  3. Step 3: Cross multiply
    12,216.53x = 16,857.64 × 6,910.31
  4. Step 4: Simplify right side
    12,216.53x = 116,491,518.27
  5. Step 5: Solve for x
    x = 116,491,518.27/12,216.53
  6. Step 6: Final answer
    x = 9,535.57

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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.