Home / 14,611.47-20,165.55-8,324.79

Finding the Fourth Proportional to 14,611.47, 20,165.55 and 8,324.79

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Solution

The fourth proportional to 14,611.47, 20,165.55 and 8,324.79 is: 11,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.47 : 20,165.55 = 8,324.79 : x
  2. Step 2: Convert to fraction form
    14,611.47/20,165.55 = 8,324.79/x
  3. Step 3: Cross multiply
    14,611.47x = 20,165.55 × 8,324.79
  4. Step 4: Simplify right side
    14,611.47x = 167,873,968.98
  5. Step 5: Solve for x
    x = 167,873,968.98/14,611.47
  6. Step 6: Final answer
    x = 11,489.19

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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.