Home / 13,612.32-20,413.44-4,844.88

Finding the Fourth Proportional to 13,612.32, 20,413.44 and 4,844.88

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Solution

The fourth proportional to 13,612.32, 20,413.44 and 4,844.88 is: 7,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.32 : 20,413.44 = 4,844.88 : x
  2. Step 2: Convert to fraction form
    13,612.32/20,413.44 = 4,844.88/x
  3. Step 3: Cross multiply
    13,612.32x = 20,413.44 × 4,844.88
  4. Step 4: Simplify right side
    13,612.32x = 98,900,667.19
  5. Step 5: Solve for x
    x = 98,900,667.19/13,612.32
  6. Step 6: Final answer
    x = 7,265.53

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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.