Home / 19,914.02-27,469.92-12,449.06

Finding the Fourth Proportional to 19,914.02, 27,469.92 and 12,449.06

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Solution

The fourth proportional to 19,914.02, 27,469.92 and 12,449.06 is: 17,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.02 : 27,469.92 = 12,449.06 : x
  2. Step 2: Convert to fraction form
    19,914.02/27,469.92 = 12,449.06/x
  3. Step 3: Cross multiply
    19,914.02x = 27,469.92 × 12,449.06
  4. Step 4: Simplify right side
    19,914.02x = 341,974,682.28
  5. Step 5: Solve for x
    x = 341,974,682.28/19,914.02
  6. Step 6: Final answer
    x = 17,172.56

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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.