Home / 12,806.37-19,212.53-5,015.25

Finding the Fourth Proportional to 12,806.37, 19,212.53 and 5,015.25

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Solution

The fourth proportional to 12,806.37, 19,212.53 and 5,015.25 is: 7,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.37 : 19,212.53 = 5,015.25 : x
  2. Step 2: Convert to fraction form
    12,806.37/19,212.53 = 5,015.25/x
  3. Step 3: Cross multiply
    12,806.37x = 19,212.53 × 5,015.25
  4. Step 4: Simplify right side
    12,806.37x = 96,355,616.01
  5. Step 5: Solve for x
    x = 96,355,616.01/12,806.37
  6. Step 6: Final answer
    x = 7,524.04

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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.