Home / 14,647.46-20,213.69-8,186.82

Finding the Fourth Proportional to 14,647.46, 20,213.69 and 8,186.82

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Solution

The fourth proportional to 14,647.46, 20,213.69 and 8,186.82 is: 11,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.46 : 20,213.69 = 8,186.82 : x
  2. Step 2: Convert to fraction form
    14,647.46/20,213.69 = 8,186.82/x
  3. Step 3: Cross multiply
    14,647.46x = 20,213.69 × 8,186.82
  4. Step 4: Simplify right side
    14,647.46x = 165,485,841.57
  5. Step 5: Solve for x
    x = 165,485,841.57/14,647.46
  6. Step 6: Final answer
    x = 11,297.92

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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.