Home / 11,450.34-15,800.64-6,413.71

Finding the Fourth Proportional to 11,450.34, 15,800.64 and 6,413.71

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Solution

The fourth proportional to 11,450.34, 15,800.64 and 6,413.71 is: 8,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.34 : 15,800.64 = 6,413.71 : x
  2. Step 2: Convert to fraction form
    11,450.34/15,800.64 = 6,413.71/x
  3. Step 3: Cross multiply
    11,450.34x = 15,800.64 × 6,413.71
  4. Step 4: Simplify right side
    11,450.34x = 101,340,643.77
  5. Step 5: Solve for x
    x = 101,340,643.77/11,450.34
  6. Step 6: Final answer
    x = 8,850.45

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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.