Home / 19,604.08-27,047.04-11,105.20

Finding the Fourth Proportional to 19,604.08, 27,047.04 and 11,105.20

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Solution

The fourth proportional to 19,604.08, 27,047.04 and 11,105.20 is: 15,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.08 : 27,047.04 = 11,105.20 : x
  2. Step 2: Convert to fraction form
    19,604.08/27,047.04 = 11,105.20/x
  3. Step 3: Cross multiply
    19,604.08x = 27,047.04 × 11,105.20
  4. Step 4: Simplify right side
    19,604.08x = 300,362,788.61
  5. Step 5: Solve for x
    x = 300,362,788.61/19,604.08
  6. Step 6: Final answer
    x = 15,321.44

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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.