Home / 14,142.44-21,177.84-8,516.60

Finding the Fourth Proportional to 14,142.44, 21,177.84 and 8,516.60

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Solution

The fourth proportional to 14,142.44, 21,177.84 and 8,516.60 is: 12,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.44 : 21,177.84 = 8,516.60 : x
  2. Step 2: Convert to fraction form
    14,142.44/21,177.84 = 8,516.60/x
  3. Step 3: Cross multiply
    14,142.44x = 21,177.84 × 8,516.60
  4. Step 4: Simplify right side
    14,142.44x = 180,363,192.14
  5. Step 5: Solve for x
    x = 180,363,192.14/14,142.44
  6. Step 6: Final answer
    x = 12,753.33

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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.