Home / 11,905.88-17,846.52-8,610.80

Finding the Fourth Proportional to 11,905.88, 17,846.52 and 8,610.80

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Solution

The fourth proportional to 11,905.88, 17,846.52 and 8,610.80 is: 12,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.88 : 17,846.52 = 8,610.80 : x
  2. Step 2: Convert to fraction form
    11,905.88/17,846.52 = 8,610.80/x
  3. Step 3: Cross multiply
    11,905.88x = 17,846.52 × 8,610.80
  4. Step 4: Simplify right side
    11,905.88x = 153,672,814.42
  5. Step 5: Solve for x
    x = 153,672,814.42/11,905.88
  6. Step 6: Final answer
    x = 12,907.30

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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.