Home / 12,035.88-16,611.30-8,689.96

Finding the Fourth Proportional to 12,035.88, 16,611.30 and 8,689.96

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Solution

The fourth proportional to 12,035.88, 16,611.30 and 8,689.96 is: 11,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.88 : 16,611.30 = 8,689.96 : x
  2. Step 2: Convert to fraction form
    12,035.88/16,611.30 = 8,689.96/x
  3. Step 3: Cross multiply
    12,035.88x = 16,611.30 × 8,689.96
  4. Step 4: Simplify right side
    12,035.88x = 144,351,532.55
  5. Step 5: Solve for x
    x = 144,351,532.55/12,035.88
  6. Step 6: Final answer
    x = 11,993.43

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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.