Home / 13,212.36-18,230.74-7,544.52

Finding the Fourth Proportional to 13,212.36, 18,230.74 and 7,544.52

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Solution

The fourth proportional to 13,212.36, 18,230.74 and 7,544.52 is: 10,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.36 : 18,230.74 = 7,544.52 : x
  2. Step 2: Convert to fraction form
    13,212.36/18,230.74 = 7,544.52/x
  3. Step 3: Cross multiply
    13,212.36x = 18,230.74 × 7,544.52
  4. Step 4: Simplify right side
    13,212.36x = 137,542,182.54
  5. Step 5: Solve for x
    x = 137,542,182.54/13,212.36
  6. Step 6: Final answer
    x = 10,410.11

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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.