Home / 11,413.51-15,750.65-6,377.94

Finding the Fourth Proportional to 11,413.51, 15,750.65 and 6,377.94

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Solution

The fourth proportional to 11,413.51, 15,750.65 and 6,377.94 is: 8,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.51 : 15,750.65 = 6,377.94 : x
  2. Step 2: Convert to fraction form
    11,413.51/15,750.65 = 6,377.94/x
  3. Step 3: Cross multiply
    11,413.51x = 15,750.65 × 6,377.94
  4. Step 4: Simplify right side
    11,413.51x = 100,456,716.61
  5. Step 5: Solve for x
    x = 100,456,716.61/11,413.51
  6. Step 6: Final answer
    x = 8,801.56

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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.