Home / 14,546.07-20,073.94-8,172.18

Finding the Fourth Proportional to 14,546.07, 20,073.94 and 8,172.18

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Solution

The fourth proportional to 14,546.07, 20,073.94 and 8,172.18 is: 11,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.07 : 20,073.94 = 8,172.18 : x
  2. Step 2: Convert to fraction form
    14,546.07/20,073.94 = 8,172.18/x
  3. Step 3: Cross multiply
    14,546.07x = 20,073.94 × 8,172.18
  4. Step 4: Simplify right side
    14,546.07x = 164,047,850.99
  5. Step 5: Solve for x
    x = 164,047,850.99/14,546.07
  6. Step 6: Final answer
    x = 11,277.81

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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.