Home / 18,448.05-25,413.87-14,670.03

Finding the Fourth Proportional to 18,448.05, 25,413.87 and 14,670.03

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Solution

The fourth proportional to 18,448.05, 25,413.87 and 14,670.03 is: 20,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.05 : 25,413.87 = 14,670.03 : x
  2. Step 2: Convert to fraction form
    18,448.05/25,413.87 = 14,670.03/x
  3. Step 3: Cross multiply
    18,448.05x = 25,413.87 × 14,670.03
  4. Step 4: Simplify right side
    18,448.05x = 372,822,235.32
  5. Step 5: Solve for x
    x = 372,822,235.32/18,448.05
  6. Step 6: Final answer
    x = 20,209.30

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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.