Home / 12,217.26-16,861.16-6,912.02

Finding the Fourth Proportional to 12,217.26, 16,861.16 and 6,912.02

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Solution

The fourth proportional to 12,217.26, 16,861.16 and 6,912.02 is: 9,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.26 : 16,861.16 = 6,912.02 : x
  2. Step 2: Convert to fraction form
    12,217.26/16,861.16 = 6,912.02/x
  3. Step 3: Cross multiply
    12,217.26x = 16,861.16 × 6,912.02
  4. Step 4: Simplify right side
    12,217.26x = 116,544,675.14
  5. Step 5: Solve for x
    x = 116,544,675.14/12,217.26
  6. Step 6: Final answer
    x = 9,539.35

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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.