Home / 20,371.41-30,557.75-6,331.51

Finding the Fourth Proportional to 20,371.41, 30,557.75 and 6,331.51

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Solution

The fourth proportional to 20,371.41, 30,557.75 and 6,331.51 is: 9,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.41 : 30,557.75 = 6,331.51 : x
  2. Step 2: Convert to fraction form
    20,371.41/30,557.75 = 6,331.51/x
  3. Step 3: Cross multiply
    20,371.41x = 30,557.75 × 6,331.51
  4. Step 4: Simplify right side
    20,371.41x = 193,476,677.33
  5. Step 5: Solve for x
    x = 193,476,677.33/20,371.41
  6. Step 6: Final answer
    x = 9,497.46

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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.