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Finding the Fourth Proportional to 17,163.54, 25,746.48 and 5,477.64

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Solution

The fourth proportional to 17,163.54, 25,746.48 and 5,477.64 is: 8,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.54 : 25,746.48 = 5,477.64 : x
  2. Step 2: Convert to fraction form
    17,163.54/25,746.48 = 5,477.64/x
  3. Step 3: Cross multiply
    17,163.54x = 25,746.48 × 5,477.64
  4. Step 4: Simplify right side
    17,163.54x = 141,029,948.71
  5. Step 5: Solve for x
    x = 141,029,948.71/17,163.54
  6. Step 6: Final answer
    x = 8,216.83

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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.