Home / 14,939.34-20,613.96-8,650.50

Finding the Fourth Proportional to 14,939.34, 20,613.96 and 8,650.50

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Solution

The fourth proportional to 14,939.34, 20,613.96 and 8,650.50 is: 11,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.34 : 20,613.96 = 8,650.50 : x
  2. Step 2: Convert to fraction form
    14,939.34/20,613.96 = 8,650.50/x
  3. Step 3: Cross multiply
    14,939.34x = 20,613.96 × 8,650.50
  4. Step 4: Simplify right side
    14,939.34x = 178,321,060.98
  5. Step 5: Solve for x
    x = 178,321,060.98/14,939.34
  6. Step 6: Final answer
    x = 11,936.34

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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.