Home / 10,672.24-14,729.44-6,198.88

Finding the Fourth Proportional to 10,672.24, 14,729.44 and 6,198.88

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Solution

The fourth proportional to 10,672.24, 14,729.44 and 6,198.88 is: 8,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.24 : 14,729.44 = 6,198.88 : x
  2. Step 2: Convert to fraction form
    10,672.24/14,729.44 = 6,198.88/x
  3. Step 3: Cross multiply
    10,672.24x = 14,729.44 × 6,198.88
  4. Step 4: Simplify right side
    10,672.24x = 91,306,031.03
  5. Step 5: Solve for x
    x = 91,306,031.03/10,672.24
  6. Step 6: Final answer
    x = 8,555.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.