Home / 20,040.21-30,083.60-11,726.19

Finding the Fourth Proportional to 20,040.21, 30,083.60 and 11,726.19

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Solution

The fourth proportional to 20,040.21, 30,083.60 and 11,726.19 is: 17,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.21 : 30,083.60 = 11,726.19 : x
  2. Step 2: Convert to fraction form
    20,040.21/30,083.60 = 11,726.19/x
  3. Step 3: Cross multiply
    20,040.21x = 30,083.60 × 11,726.19
  4. Step 4: Simplify right side
    20,040.21x = 352,766,009.48
  5. Step 5: Solve for x
    x = 352,766,009.48/20,040.21
  6. Step 6: Final answer
    x = 17,602.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.