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Finding the Fourth Proportional to 14,495.76, 21,727.08 and 6,163.56

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Solution

The fourth proportional to 14,495.76, 21,727.08 and 6,163.56 is: 9,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.76 : 21,727.08 = 6,163.56 : x
  2. Step 2: Convert to fraction form
    14,495.76/21,727.08 = 6,163.56/x
  3. Step 3: Cross multiply
    14,495.76x = 21,727.08 × 6,163.56
  4. Step 4: Simplify right side
    14,495.76x = 133,916,161.20
  5. Step 5: Solve for x
    x = 133,916,161.20/14,495.76
  6. Step 6: Final answer
    x = 9,238.30

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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.