Home / 12,629.38-17,436.01-11,228.25

Finding the Fourth Proportional to 12,629.38, 17,436.01 and 11,228.25

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Solution

The fourth proportional to 12,629.38, 17,436.01 and 11,228.25 is: 15,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.38 : 17,436.01 = 11,228.25 : x
  2. Step 2: Convert to fraction form
    12,629.38/17,436.01 = 11,228.25/x
  3. Step 3: Cross multiply
    12,629.38x = 17,436.01 × 11,228.25
  4. Step 4: Simplify right side
    12,629.38x = 195,775,851.21
  5. Step 5: Solve for x
    x = 195,775,851.21/12,629.38
  6. Step 6: Final answer
    x = 15,501.62

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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.