Home / 11,127.54-15,356.88-6,413.34

Finding the Fourth Proportional to 11,127.54, 15,356.88 and 6,413.34

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Solution

The fourth proportional to 11,127.54, 15,356.88 and 6,413.34 is: 8,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.54 : 15,356.88 = 6,413.34 : x
  2. Step 2: Convert to fraction form
    11,127.54/15,356.88 = 6,413.34/x
  3. Step 3: Cross multiply
    11,127.54x = 15,356.88 × 6,413.34
  4. Step 4: Simplify right side
    11,127.54x = 98,488,892.78
  5. Step 5: Solve for x
    x = 98,488,892.78/11,127.54
  6. Step 6: Final answer
    x = 8,850.91

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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.