Home / 11,413.10-17,119.65-7,892.03

Finding the Fourth Proportional to 11,413.10, 17,119.65 and 7,892.03

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Solution

The fourth proportional to 11,413.10, 17,119.65 and 7,892.03 is: 11,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.10 : 17,119.65 = 7,892.03 : x
  2. Step 2: Convert to fraction form
    11,413.10/17,119.65 = 7,892.03/x
  3. Step 3: Cross multiply
    11,413.10x = 17,119.65 × 7,892.03
  4. Step 4: Simplify right side
    11,413.10x = 135,108,863.78
  5. Step 5: Solve for x
    x = 135,108,863.78/11,413.10
  6. Step 6: Final answer
    x = 11,838.05

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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.