Home / 14,816.93-20,447.36-8,102.56

Finding the Fourth Proportional to 14,816.93, 20,447.36 and 8,102.56

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Solution

The fourth proportional to 14,816.93, 20,447.36 and 8,102.56 is: 11,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.93 : 20,447.36 = 8,102.56 : x
  2. Step 2: Convert to fraction form
    14,816.93/20,447.36 = 8,102.56/x
  3. Step 3: Cross multiply
    14,816.93x = 20,447.36 × 8,102.56
  4. Step 4: Simplify right side
    14,816.93x = 165,675,989.88
  5. Step 5: Solve for x
    x = 165,675,989.88/14,816.93
  6. Step 6: Final answer
    x = 11,181.53

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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.