Home / 12,496.62-18,738.05-4,172.25

Finding the Fourth Proportional to 12,496.62, 18,738.05 and 4,172.25

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Solution

The fourth proportional to 12,496.62, 18,738.05 and 4,172.25 is: 6,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.62 : 18,738.05 = 4,172.25 : x
  2. Step 2: Convert to fraction form
    12,496.62/18,738.05 = 4,172.25/x
  3. Step 3: Cross multiply
    12,496.62x = 18,738.05 × 4,172.25
  4. Step 4: Simplify right side
    12,496.62x = 78,179,808.25
  5. Step 5: Solve for x
    x = 78,179,808.25/12,496.62
  6. Step 6: Final answer
    x = 6,256.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.