Home / 18,203.04-27,288.32-7,107.16

Finding the Fourth Proportional to 18,203.04, 27,288.32 and 7,107.16

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Solution

The fourth proportional to 18,203.04, 27,288.32 and 7,107.16 is: 10,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.04 : 27,288.32 = 7,107.16 : x
  2. Step 2: Convert to fraction form
    18,203.04/27,288.32 = 7,107.16/x
  3. Step 3: Cross multiply
    18,203.04x = 27,288.32 × 7,107.16
  4. Step 4: Simplify right side
    18,203.04x = 193,942,456.37
  5. Step 5: Solve for x
    x = 193,942,456.37/18,203.04
  6. Step 6: Final answer
    x = 10,654.40

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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.