Home / 17,165.11-25,748.12-5,478.32

Finding the Fourth Proportional to 17,165.11, 25,748.12 and 5,478.32

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Solution

The fourth proportional to 17,165.11, 25,748.12 and 5,478.32 is: 8,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.11 : 25,748.12 = 5,478.32 : x
  2. Step 2: Convert to fraction form
    17,165.11/25,748.12 = 5,478.32/x
  3. Step 3: Cross multiply
    17,165.11x = 25,748.12 × 5,478.32
  4. Step 4: Simplify right side
    17,165.11x = 141,056,413.37
  5. Step 5: Solve for x
    x = 141,056,413.37/17,165.11
  6. Step 6: Final answer
    x = 8,217.62

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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.