Home / 18,133.35-27,202.77-6,443.79

Finding the Fourth Proportional to 18,133.35, 27,202.77 and 6,443.79

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Solution

The fourth proportional to 18,133.35, 27,202.77 and 6,443.79 is: 9,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.35 : 27,202.77 = 6,443.79 : x
  2. Step 2: Convert to fraction form
    18,133.35/27,202.77 = 6,443.79/x
  3. Step 3: Cross multiply
    18,133.35x = 27,202.77 × 6,443.79
  4. Step 4: Simplify right side
    18,133.35x = 175,288,937.30
  5. Step 5: Solve for x
    x = 175,288,937.30/18,133.35
  6. Step 6: Final answer
    x = 9,666.66

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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.