Home / 12,146.42-18,213.38-5,566.97

Finding the Fourth Proportional to 12,146.42, 18,213.38 and 5,566.97

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Solution

The fourth proportional to 12,146.42, 18,213.38 and 5,566.97 is: 8,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.42 : 18,213.38 = 5,566.97 : x
  2. Step 2: Convert to fraction form
    12,146.42/18,213.38 = 5,566.97/x
  3. Step 3: Cross multiply
    12,146.42x = 18,213.38 × 5,566.97
  4. Step 4: Simplify right side
    12,146.42x = 101,393,312.22
  5. Step 5: Solve for x
    x = 101,393,312.22/12,146.42
  6. Step 6: Final answer
    x = 8,347.59

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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.