Home / 12,610.74-18,886.94-12,173.34

Finding the Fourth Proportional to 12,610.74, 18,886.94 and 12,173.34

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Solution

The fourth proportional to 12,610.74, 18,886.94 and 12,173.34 is: 18,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.74 : 18,886.94 = 12,173.34 : x
  2. Step 2: Convert to fraction form
    12,610.74/18,886.94 = 12,173.34/x
  3. Step 3: Cross multiply
    12,610.74x = 18,886.94 × 12,173.34
  4. Step 4: Simplify right side
    12,610.74x = 229,917,142.18
  5. Step 5: Solve for x
    x = 229,917,142.18/12,610.74
  6. Step 6: Final answer
    x = 18,231.85

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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.