Home / 12,610.98-18,887.31-12,173.58

Finding the Fourth Proportional to 12,610.98, 18,887.31 and 12,173.58

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Solution

The fourth proportional to 12,610.98, 18,887.31 and 12,173.58 is: 18,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.98 : 18,887.31 = 12,173.58 : x
  2. Step 2: Convert to fraction form
    12,610.98/18,887.31 = 12,173.58/x
  3. Step 3: Cross multiply
    12,610.98x = 18,887.31 × 12,173.58
  4. Step 4: Simplify right side
    12,610.98x = 229,926,179.27
  5. Step 5: Solve for x
    x = 229,926,179.27/12,610.98
  6. Step 6: Final answer
    x = 18,232.22

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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.