Home / 11,015.86-15,207.81-8,492.44

Finding the Fourth Proportional to 11,015.86, 15,207.81 and 8,492.44

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Solution

The fourth proportional to 11,015.86, 15,207.81 and 8,492.44 is: 11,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.86 : 15,207.81 = 8,492.44 : x
  2. Step 2: Convert to fraction form
    11,015.86/15,207.81 = 8,492.44/x
  3. Step 3: Cross multiply
    11,015.86x = 15,207.81 × 8,492.44
  4. Step 4: Simplify right side
    11,015.86x = 129,151,413.96
  5. Step 5: Solve for x
    x = 129,151,413.96/11,015.86
  6. Step 6: Final answer
    x = 11,724.13

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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.