Home / 12,213.09-18,322.02-5,193.03

Finding the Fourth Proportional to 12,213.09, 18,322.02 and 5,193.03

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Solution

The fourth proportional to 12,213.09, 18,322.02 and 5,193.03 is: 7,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.09 : 18,322.02 = 5,193.03 : x
  2. Step 2: Convert to fraction form
    12,213.09/18,322.02 = 5,193.03/x
  3. Step 3: Cross multiply
    12,213.09x = 18,322.02 × 5,193.03
  4. Step 4: Simplify right side
    12,213.09x = 95,146,799.52
  5. Step 5: Solve for x
    x = 95,146,799.52/12,213.09
  6. Step 6: Final answer
    x = 7,790.56

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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.