Home / 18,108.66-27,166.84-5,628.38

Finding the Fourth Proportional to 18,108.66, 27,166.84 and 5,628.38

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Solution

The fourth proportional to 18,108.66, 27,166.84 and 5,628.38 is: 8,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.66 : 27,166.84 = 5,628.38 : x
  2. Step 2: Convert to fraction form
    18,108.66/27,166.84 = 5,628.38/x
  3. Step 3: Cross multiply
    18,108.66x = 27,166.84 × 5,628.38
  4. Step 4: Simplify right side
    18,108.66x = 152,905,270.78
  5. Step 5: Solve for x
    x = 152,905,270.78/18,108.66
  6. Step 6: Final answer
    x = 8,443.77

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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.