Home / 12,142.44-18,207.72-5,566.32

Finding the Fourth Proportional to 12,142.44, 18,207.72 and 5,566.32

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Solution

The fourth proportional to 12,142.44, 18,207.72 and 5,566.32 is: 8,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142.44 : 18,207.72 = 5,566.32 : x
  2. Step 2: Convert to fraction form
    12,142.44/18,207.72 = 5,566.32/x
  3. Step 3: Cross multiply
    12,142.44x = 18,207.72 × 5,566.32
  4. Step 4: Simplify right side
    12,142.44x = 101,349,995.99
  5. Step 5: Solve for x
    x = 101,349,995.99/12,142.44
  6. Step 6: Final answer
    x = 8,346.76

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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.