Home / 11,611.09-16,023.45-6,306

Finding the Fourth Proportional to 11,611.09, 16,023.45 and 6,306

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Solution

The fourth proportional to 11,611.09, 16,023.45 and 6,306 is: 8,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.09 : 16,023.45 = 6,306 : x
  2. Step 2: Convert to fraction form
    11,611.09/16,023.45 = 6,306/x
  3. Step 3: Cross multiply
    11,611.09x = 16,023.45 × 6,306
  4. Step 4: Simplify right side
    11,611.09x = 101,043,875.70
  5. Step 5: Solve for x
    x = 101,043,875.70/11,611.09
  6. Step 6: Final answer
    x = 8,702.36

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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.