Home / 12,060.36-18,066.99-8,311.47

Finding the Fourth Proportional to 12,060.36, 18,066.99 and 8,311.47

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Solution

The fourth proportional to 12,060.36, 18,066.99 and 8,311.47 is: 12,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.36 : 18,066.99 = 8,311.47 : x
  2. Step 2: Convert to fraction form
    12,060.36/18,066.99 = 8,311.47/x
  3. Step 3: Cross multiply
    12,060.36x = 18,066.99 × 8,311.47
  4. Step 4: Simplify right side
    12,060.36x = 150,163,245.38
  5. Step 5: Solve for x
    x = 150,163,245.38/12,060.36
  6. Step 6: Final answer
    x = 12,450.98

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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.