Home / 10,009.75-15,015.44-3,084.25

Finding the Fourth Proportional to 10,009.75, 15,015.44 and 3,084.25

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Solution

The fourth proportional to 10,009.75, 15,015.44 and 3,084.25 is: 4,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.75 : 15,015.44 = 3,084.25 : x
  2. Step 2: Convert to fraction form
    10,009.75/15,015.44 = 3,084.25/x
  3. Step 3: Cross multiply
    10,009.75x = 15,015.44 × 3,084.25
  4. Step 4: Simplify right side
    10,009.75x = 46,311,370.82
  5. Step 5: Solve for x
    x = 46,311,370.82/10,009.75
  6. Step 6: Final answer
    x = 4,626.63

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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.