Home / 12,427.31-18,610.66-9,462.56

Finding the Fourth Proportional to 12,427.31, 18,610.66 and 9,462.56

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Solution

The fourth proportional to 12,427.31, 18,610.66 and 9,462.56 is: 14,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.31 : 18,610.66 = 9,462.56 : x
  2. Step 2: Convert to fraction form
    12,427.31/18,610.66 = 9,462.56/x
  3. Step 3: Cross multiply
    12,427.31x = 18,610.66 × 9,462.56
  4. Step 4: Simplify right side
    12,427.31x = 176,104,486.89
  5. Step 5: Solve for x
    x = 176,104,486.89/12,427.31
  6. Step 6: Final answer
    x = 14,170.76

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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.