Home / 20,454.37-30,669.03-9,364.46

Finding the Fourth Proportional to 20,454.37, 30,669.03 and 9,364.46

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Solution

The fourth proportional to 20,454.37, 30,669.03 and 9,364.46 is: 14,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.37 : 30,669.03 = 9,364.46 : x
  2. Step 2: Convert to fraction form
    20,454.37/30,669.03 = 9,364.46/x
  3. Step 3: Cross multiply
    20,454.37x = 30,669.03 × 9,364.46
  4. Step 4: Simplify right side
    20,454.37x = 287,198,923.84
  5. Step 5: Solve for x
    x = 287,198,923.84/20,454.37
  6. Step 6: Final answer
    x = 14,040.95

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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.