Home / 14,764.06-20,375.31-8,477.38

Finding the Fourth Proportional to 14,764.06, 20,375.31 and 8,477.38

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Solution

The fourth proportional to 14,764.06, 20,375.31 and 8,477.38 is: 11,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.06 : 20,375.31 = 8,477.38 : x
  2. Step 2: Convert to fraction form
    14,764.06/20,375.31 = 8,477.38/x
  3. Step 3: Cross multiply
    14,764.06x = 20,375.31 × 8,477.38
  4. Step 4: Simplify right side
    14,764.06x = 172,729,245.49
  5. Step 5: Solve for x
    x = 172,729,245.49/14,764.06
  6. Step 6: Final answer
    x = 11,699.31

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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.