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Finding the Fourth Proportional to 23,697.64, 35,555.10 and 12,605.32

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Solution

The fourth proportional to 23,697.64, 35,555.10 and 12,605.32 is: 18,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,697.64 : 35,555.10 = 12,605.32 : x
  2. Step 2: Convert to fraction form
    23,697.64/35,555.10 = 12,605.32/x
  3. Step 3: Cross multiply
    23,697.64x = 35,555.10 × 12,605.32
  4. Step 4: Simplify right side
    23,697.64x = 448,183,413.13
  5. Step 5: Solve for x
    x = 448,183,413.13/23,697.64
  6. Step 6: Final answer
    x = 18,912.58

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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.