Home / 12,723.02-17,556.67-7,418.33

Finding the Fourth Proportional to 12,723.02, 17,556.67 and 7,418.33

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Solution

The fourth proportional to 12,723.02, 17,556.67 and 7,418.33 is: 10,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.02 : 17,556.67 = 7,418.33 : x
  2. Step 2: Convert to fraction form
    12,723.02/17,556.67 = 7,418.33/x
  3. Step 3: Cross multiply
    12,723.02x = 17,556.67 × 7,418.33
  4. Step 4: Simplify right side
    12,723.02x = 130,241,171.76
  5. Step 5: Solve for x
    x = 130,241,171.76/12,723.02
  6. Step 6: Final answer
    x = 10,236.66

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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.