Home / 18,108.41-27,166.44-5,628.20

Finding the Fourth Proportional to 18,108.41, 27,166.44 and 5,628.20

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Solution

The fourth proportional to 18,108.41, 27,166.44 and 5,628.20 is: 8,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.41 : 27,166.44 = 5,628.20 : x
  2. Step 2: Convert to fraction form
    18,108.41/27,166.44 = 5,628.20/x
  3. Step 3: Cross multiply
    18,108.41x = 27,166.44 × 5,628.20
  4. Step 4: Simplify right side
    18,108.41x = 152,898,157.61
  5. Step 5: Solve for x
    x = 152,898,157.61/18,108.41
  6. Step 6: Final answer
    x = 8,443.49

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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.