Home / 20,436.33-30,632.70-11,652.33

Finding the Fourth Proportional to 20,436.33, 30,632.70 and 11,652.33

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Solution

The fourth proportional to 20,436.33, 30,632.70 and 11,652.33 is: 17,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436.33 : 30,632.70 = 11,652.33 : x
  2. Step 2: Convert to fraction form
    20,436.33/30,632.70 = 11,652.33/x
  3. Step 3: Cross multiply
    20,436.33x = 30,632.70 × 11,652.33
  4. Step 4: Simplify right side
    20,436.33x = 356,942,329.19
  5. Step 5: Solve for x
    x = 356,942,329.19/20,436.33
  6. Step 6: Final answer
    x = 17,466.07

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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.