Home / 18,204.06-27,289.82-7,108.16

Finding the Fourth Proportional to 18,204.06, 27,289.82 and 7,108.16

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Solution

The fourth proportional to 18,204.06, 27,289.82 and 7,108.16 is: 10,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.06 : 27,289.82 = 7,108.16 : x
  2. Step 2: Convert to fraction form
    18,204.06/27,289.82 = 7,108.16/x
  3. Step 3: Cross multiply
    18,204.06x = 27,289.82 × 7,108.16
  4. Step 4: Simplify right side
    18,204.06x = 193,980,406.93
  5. Step 5: Solve for x
    x = 193,980,406.93/18,204.06
  6. Step 6: Final answer
    x = 10,655.89

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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.