Home / 13,610.89-18,786.09-8,892.46

Finding the Fourth Proportional to 13,610.89, 18,786.09 and 8,892.46

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Solution

The fourth proportional to 13,610.89, 18,786.09 and 8,892.46 is: 12,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.89 : 18,786.09 = 8,892.46 : x
  2. Step 2: Convert to fraction form
    13,610.89/18,786.09 = 8,892.46/x
  3. Step 3: Cross multiply
    13,610.89x = 18,786.09 × 8,892.46
  4. Step 4: Simplify right side
    13,610.89x = 167,054,553.88
  5. Step 5: Solve for x
    x = 167,054,553.88/13,610.89
  6. Step 6: Final answer
    x = 12,273.60

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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.