Home / 14,664.22-20,233.12-8,290.94

Finding the Fourth Proportional to 14,664.22, 20,233.12 and 8,290.94

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Solution

The fourth proportional to 14,664.22, 20,233.12 and 8,290.94 is: 11,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.22 : 20,233.12 = 8,290.94 : x
  2. Step 2: Convert to fraction form
    14,664.22/20,233.12 = 8,290.94/x
  3. Step 3: Cross multiply
    14,664.22x = 20,233.12 × 8,290.94
  4. Step 4: Simplify right side
    14,664.22x = 167,751,583.93
  5. Step 5: Solve for x
    x = 167,751,583.93/14,664.22
  6. Step 6: Final answer
    x = 11,439.52

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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.