Home / 14,544.39-20,072.30-8,257.17

Finding the Fourth Proportional to 14,544.39, 20,072.30 and 8,257.17

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Solution

The fourth proportional to 14,544.39, 20,072.30 and 8,257.17 is: 11,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.39 : 20,072.30 = 8,257.17 : x
  2. Step 2: Convert to fraction form
    14,544.39/20,072.30 = 8,257.17/x
  3. Step 3: Cross multiply
    14,544.39x = 20,072.30 × 8,257.17
  4. Step 4: Simplify right side
    14,544.39x = 165,740,352.11
  5. Step 5: Solve for x
    x = 165,740,352.11/14,544.39
  6. Step 6: Final answer
    x = 11,395.48

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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.