Home / 12,623.28-17,413.62-7,585.64

Finding the Fourth Proportional to 12,623.28, 17,413.62 and 7,585.64

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Solution

The fourth proportional to 12,623.28, 17,413.62 and 7,585.64 is: 10,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.28 : 17,413.62 = 7,585.64 : x
  2. Step 2: Convert to fraction form
    12,623.28/17,413.62 = 7,585.64/x
  3. Step 3: Cross multiply
    12,623.28x = 17,413.62 × 7,585.64
  4. Step 4: Simplify right side
    12,623.28x = 132,093,452.42
  5. Step 5: Solve for x
    x = 132,093,452.42/12,623.28
  6. Step 6: Final answer
    x = 10,464.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.