Home / 14,169.92-21,230.30-8,611.58

Finding the Fourth Proportional to 14,169.92, 21,230.30 and 8,611.58

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Solution

The fourth proportional to 14,169.92, 21,230.30 and 8,611.58 is: 12,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.92 : 21,230.30 = 8,611.58 : x
  2. Step 2: Convert to fraction form
    14,169.92/21,230.30 = 8,611.58/x
  3. Step 3: Cross multiply
    14,169.92x = 21,230.30 × 8,611.58
  4. Step 4: Simplify right side
    14,169.92x = 182,826,501.48
  5. Step 5: Solve for x
    x = 182,826,501.48/14,169.92
  6. Step 6: Final answer
    x = 12,902.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.