Home / 12,699.37-17,525.26-7,662.61

Finding the Fourth Proportional to 12,699.37, 17,525.26 and 7,662.61

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Solution

The fourth proportional to 12,699.37, 17,525.26 and 7,662.61 is: 10,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.37 : 17,525.26 = 7,662.61 : x
  2. Step 2: Convert to fraction form
    12,699.37/17,525.26 = 7,662.61/x
  3. Step 3: Cross multiply
    12,699.37x = 17,525.26 × 7,662.61
  4. Step 4: Simplify right side
    12,699.37x = 134,289,194.22
  5. Step 5: Solve for x
    x = 134,289,194.22/12,699.37
  6. Step 6: Final answer
    x = 10,574.48

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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.