Home / 14,546.94-20,072.58-8,172.32

Finding the Fourth Proportional to 14,546.94, 20,072.58 and 8,172.32

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Solution

The fourth proportional to 14,546.94, 20,072.58 and 8,172.32 is: 11,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.94 : 20,072.58 = 8,172.32 : x
  2. Step 2: Convert to fraction form
    14,546.94/20,072.58 = 8,172.32/x
  3. Step 3: Cross multiply
    14,546.94x = 20,072.58 × 8,172.32
  4. Step 4: Simplify right side
    14,546.94x = 164,039,546.99
  5. Step 5: Solve for x
    x = 164,039,546.99/14,546.94
  6. Step 6: Final answer
    x = 11,276.57

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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.