Home / 12,556.94-17,322.02-7,449.48

Finding the Fourth Proportional to 12,556.94, 17,322.02 and 7,449.48

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Solution

The fourth proportional to 12,556.94, 17,322.02 and 7,449.48 is: 10,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.94 : 17,322.02 = 7,449.48 : x
  2. Step 2: Convert to fraction form
    12,556.94/17,322.02 = 7,449.48/x
  3. Step 3: Cross multiply
    12,556.94x = 17,322.02 × 7,449.48
  4. Step 4: Simplify right side
    12,556.94x = 129,040,004.30
  5. Step 5: Solve for x
    x = 129,040,004.30/12,556.94
  6. Step 6: Final answer
    x = 10,276.39

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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.