Home / 12,629.82-17,437.28-11,301.22

Finding the Fourth Proportional to 12,629.82, 17,437.28 and 11,301.22

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Solution

The fourth proportional to 12,629.82, 17,437.28 and 11,301.22 is: 15,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.82 : 17,437.28 = 11,301.22 : x
  2. Step 2: Convert to fraction form
    12,629.82/17,437.28 = 11,301.22/x
  3. Step 3: Cross multiply
    12,629.82x = 17,437.28 × 11,301.22
  4. Step 4: Simplify right side
    12,629.82x = 197,062,537.48
  5. Step 5: Solve for x
    x = 197,062,537.48/12,629.82
  6. Step 6: Final answer
    x = 15,602.96

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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.