Home / 9,313.16-12,852.16-5,121.41

Finding the Fourth Proportional to 9,313.16, 12,852.16 and 5,121.41

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Solution

The fourth proportional to 9,313.16, 12,852.16 and 5,121.41 is: 7,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.16 : 12,852.16 = 5,121.41 : x
  2. Step 2: Convert to fraction form
    9,313.16/12,852.16 = 5,121.41/x
  3. Step 3: Cross multiply
    9,313.16x = 12,852.16 × 5,121.41
  4. Step 4: Simplify right side
    9,313.16x = 65,821,090.88
  5. Step 5: Solve for x
    x = 65,821,090.88/9,313.16
  6. Step 6: Final answer
    x = 7,067.54

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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.