Home / 13,380.64-20,060.02-5,055.94

Finding the Fourth Proportional to 13,380.64, 20,060.02 and 5,055.94

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Solution

The fourth proportional to 13,380.64, 20,060.02 and 5,055.94 is: 7,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.64 : 20,060.02 = 5,055.94 : x
  2. Step 2: Convert to fraction form
    13,380.64/20,060.02 = 5,055.94/x
  3. Step 3: Cross multiply
    13,380.64x = 20,060.02 × 5,055.94
  4. Step 4: Simplify right side
    13,380.64x = 101,422,257.52
  5. Step 5: Solve for x
    x = 101,422,257.52/13,380.64
  6. Step 6: Final answer
    x = 7,579.78

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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.