Home / 11,120.30-15,345.78-6,084.50

Finding the Fourth Proportional to 11,120.30, 15,345.78 and 6,084.50

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Solution

The fourth proportional to 11,120.30, 15,345.78 and 6,084.50 is: 8,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.30 : 15,345.78 = 6,084.50 : x
  2. Step 2: Convert to fraction form
    11,120.30/15,345.78 = 6,084.50/x
  3. Step 3: Cross multiply
    11,120.30x = 15,345.78 × 6,084.50
  4. Step 4: Simplify right side
    11,120.30x = 93,371,413.96
  5. Step 5: Solve for x
    x = 93,371,413.96/11,120.30
  6. Step 6: Final answer
    x = 8,396.49

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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.