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Finding the Fourth Proportional to 18,063.02, 27,073.74 and 6,964.16

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Solution

The fourth proportional to 18,063.02, 27,073.74 and 6,964.16 is: 10,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.02 : 27,073.74 = 6,964.16 : x
  2. Step 2: Convert to fraction form
    18,063.02/27,073.74 = 6,964.16/x
  3. Step 3: Cross multiply
    18,063.02x = 27,073.74 × 6,964.16
  4. Step 4: Simplify right side
    18,063.02x = 188,545,857.16
  5. Step 5: Solve for x
    x = 188,545,857.16/18,063.02
  6. Step 6: Final answer
    x = 10,438.22

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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.