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Finding the Fourth Proportional to 18,072.54, 27,102.08 and 6,223.01

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Solution

The fourth proportional to 18,072.54, 27,102.08 and 6,223.01 is: 9,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.54 : 27,102.08 = 6,223.01 : x
  2. Step 2: Convert to fraction form
    18,072.54/27,102.08 = 6,223.01/x
  3. Step 3: Cross multiply
    18,072.54x = 27,102.08 × 6,223.01
  4. Step 4: Simplify right side
    18,072.54x = 168,656,394.91
  5. Step 5: Solve for x
    x = 168,656,394.91/18,072.54
  6. Step 6: Final answer
    x = 9,332.19

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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.