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Finding the Fourth Proportional to 11,413.01, 17,119.52 and 7,489.10

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Solution

The fourth proportional to 11,413.01, 17,119.52 and 7,489.10 is: 11,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.01 : 17,119.52 = 7,489.10 : x
  2. Step 2: Convert to fraction form
    11,413.01/17,119.52 = 7,489.10/x
  3. Step 3: Cross multiply
    11,413.01x = 17,119.52 × 7,489.10
  4. Step 4: Simplify right side
    11,413.01x = 128,209,674.19
  5. Step 5: Solve for x
    x = 128,209,674.19/11,413.01
  6. Step 6: Final answer
    x = 11,233.64

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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.