Home / 12,216.07-18,327.99-5,460.62

Finding the Fourth Proportional to 12,216.07, 18,327.99 and 5,460.62

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Solution

The fourth proportional to 12,216.07, 18,327.99 and 5,460.62 is: 8,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.07 : 18,327.99 = 5,460.62 : x
  2. Step 2: Convert to fraction form
    12,216.07/18,327.99 = 5,460.62/x
  3. Step 3: Cross multiply
    12,216.07x = 18,327.99 × 5,460.62
  4. Step 4: Simplify right side
    12,216.07x = 100,082,086.88
  5. Step 5: Solve for x
    x = 100,082,086.88/12,216.07
  6. Step 6: Final answer
    x = 8,192.66

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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.