Home / 15,413.69-23,115.05-5,550.32

Finding the Fourth Proportional to 15,413.69, 23,115.05 and 5,550.32

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Solution

The fourth proportional to 15,413.69, 23,115.05 and 5,550.32 is: 8,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.69 : 23,115.05 = 5,550.32 : x
  2. Step 2: Convert to fraction form
    15,413.69/23,115.05 = 5,550.32/x
  3. Step 3: Cross multiply
    15,413.69x = 23,115.05 × 5,550.32
  4. Step 4: Simplify right side
    15,413.69x = 128,295,808.74
  5. Step 5: Solve for x
    x = 128,295,808.74/15,413.69
  6. Step 6: Final answer
    x = 8,323.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.