Home / 14,544.64-20,072.64-8,257.42

Finding the Fourth Proportional to 14,544.64, 20,072.64 and 8,257.42

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Solution

The fourth proportional to 14,544.64, 20,072.64 and 8,257.42 is: 11,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.64 : 20,072.64 = 8,257.42 : x
  2. Step 2: Convert to fraction form
    14,544.64/20,072.64 = 8,257.42/x
  3. Step 3: Cross multiply
    14,544.64x = 20,072.64 × 8,257.42
  4. Step 4: Simplify right side
    14,544.64x = 165,748,218.99
  5. Step 5: Solve for x
    x = 165,748,218.99/14,544.64
  6. Step 6: Final answer
    x = 11,395.83

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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.