Home / 19,804.02-29,708.46-7,321.92

Finding the Fourth Proportional to 19,804.02, 29,708.46 and 7,321.92

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Solution

The fourth proportional to 19,804.02, 29,708.46 and 7,321.92 is: 10,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.02 : 29,708.46 = 7,321.92 : x
  2. Step 2: Convert to fraction form
    19,804.02/29,708.46 = 7,321.92/x
  3. Step 3: Cross multiply
    19,804.02x = 29,708.46 × 7,321.92
  4. Step 4: Simplify right side
    19,804.02x = 217,522,967.44
  5. Step 5: Solve for x
    x = 217,522,967.44/19,804.02
  6. Step 6: Final answer
    x = 10,983.78

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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.