Home / 20,485.46-30,702.68-7,323.37

Finding the Fourth Proportional to 20,485.46, 30,702.68 and 7,323.37

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Solution

The fourth proportional to 20,485.46, 30,702.68 and 7,323.37 is: 10,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485.46 : 30,702.68 = 7,323.37 : x
  2. Step 2: Convert to fraction form
    20,485.46/30,702.68 = 7,323.37/x
  3. Step 3: Cross multiply
    20,485.46x = 30,702.68 × 7,323.37
  4. Step 4: Simplify right side
    20,485.46x = 224,846,972.26
  5. Step 5: Solve for x
    x = 224,846,972.26/20,485.46
  6. Step 6: Final answer
    x = 10,975.93

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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.