Home / 12,110.24-18,136.20-6,900.32

Finding the Fourth Proportional to 12,110.24, 18,136.20 and 6,900.32

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Solution

The fourth proportional to 12,110.24, 18,136.20 and 6,900.32 is: 10,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.24 : 18,136.20 = 6,900.32 : x
  2. Step 2: Convert to fraction form
    12,110.24/18,136.20 = 6,900.32/x
  3. Step 3: Cross multiply
    12,110.24x = 18,136.20 × 6,900.32
  4. Step 4: Simplify right side
    12,110.24x = 125,145,583.58
  5. Step 5: Solve for x
    x = 125,145,583.58/12,110.24
  6. Step 6: Final answer
    x = 10,333.86

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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.