Home / 11,171.24-15,413.70-6,693.32

Finding the Fourth Proportional to 11,171.24, 15,413.70 and 6,693.32

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Solution

The fourth proportional to 11,171.24, 15,413.70 and 6,693.32 is: 9,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.24 : 15,413.70 = 6,693.32 : x
  2. Step 2: Convert to fraction form
    11,171.24/15,413.70 = 6,693.32/x
  3. Step 3: Cross multiply
    11,171.24x = 15,413.70 × 6,693.32
  4. Step 4: Simplify right side
    11,171.24x = 103,168,826.48
  5. Step 5: Solve for x
    x = 103,168,826.48/11,171.24
  6. Step 6: Final answer
    x = 9,235.22

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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.