Home / 12,196.03-18,292.06-3,431.11

Finding the Fourth Proportional to 12,196.03, 18,292.06 and 3,431.11

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Solution

The fourth proportional to 12,196.03, 18,292.06 and 3,431.11 is: 5,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.03 : 18,292.06 = 3,431.11 : x
  2. Step 2: Convert to fraction form
    12,196.03/18,292.06 = 3,431.11/x
  3. Step 3: Cross multiply
    12,196.03x = 18,292.06 × 3,431.11
  4. Step 4: Simplify right side
    12,196.03x = 62,762,069.99
  5. Step 5: Solve for x
    x = 62,762,069.99/12,196.03
  6. Step 6: Final answer
    x = 5,146.11

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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.