Home / 13,474.68-18,606.82-8,447.56

Finding the Fourth Proportional to 13,474.68, 18,606.82 and 8,447.56

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Solution

The fourth proportional to 13,474.68, 18,606.82 and 8,447.56 is: 11,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.68 : 18,606.82 = 8,447.56 : x
  2. Step 2: Convert to fraction form
    13,474.68/18,606.82 = 8,447.56/x
  3. Step 3: Cross multiply
    13,474.68x = 18,606.82 × 8,447.56
  4. Step 4: Simplify right side
    13,474.68x = 157,182,228.36
  5. Step 5: Solve for x
    x = 157,182,228.36/13,474.68
  6. Step 6: Final answer
    x = 11,665.01

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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.