Home / 14,660.42-20,234.09-8,372.80

Finding the Fourth Proportional to 14,660.42, 20,234.09 and 8,372.80

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Solution

The fourth proportional to 14,660.42, 20,234.09 and 8,372.80 is: 11,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.42 : 20,234.09 = 8,372.80 : x
  2. Step 2: Convert to fraction form
    14,660.42/20,234.09 = 8,372.80/x
  3. Step 3: Cross multiply
    14,660.42x = 20,234.09 × 8,372.80
  4. Step 4: Simplify right side
    14,660.42x = 169,415,959.10
  5. Step 5: Solve for x
    x = 169,415,959.10/14,660.42
  6. Step 6: Final answer
    x = 11,556.01

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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.