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Finding the Fourth Proportional to 18,002.01, 27,003.82 and 5,521.12

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Solution

The fourth proportional to 18,002.01, 27,003.82 and 5,521.12 is: 8,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.01 : 27,003.82 = 5,521.12 : x
  2. Step 2: Convert to fraction form
    18,002.01/27,003.82 = 5,521.12/x
  3. Step 3: Cross multiply
    18,002.01x = 27,003.82 × 5,521.12
  4. Step 4: Simplify right side
    18,002.01x = 149,091,411.99
  5. Step 5: Solve for x
    x = 149,091,411.99/18,002.01
  6. Step 6: Final answer
    x = 8,281.93

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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.