Home / 12,283.92-18,409.62-4,485.24

Finding the Fourth Proportional to 12,283.92, 18,409.62 and 4,485.24

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Solution

The fourth proportional to 12,283.92, 18,409.62 and 4,485.24 is: 6,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.92 : 18,409.62 = 4,485.24 : x
  2. Step 2: Convert to fraction form
    12,283.92/18,409.62 = 4,485.24/x
  3. Step 3: Cross multiply
    12,283.92x = 18,409.62 × 4,485.24
  4. Step 4: Simplify right side
    12,283.92x = 82,571,564.01
  5. Step 5: Solve for x
    x = 82,571,564.01/12,283.92
  6. Step 6: Final answer
    x = 6,721.92

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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.