Home / 13,200.16-19,801.54-3,840.27

Finding the Fourth Proportional to 13,200.16, 19,801.54 and 3,840.27

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Solution

The fourth proportional to 13,200.16, 19,801.54 and 3,840.27 is: 5,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.16 : 19,801.54 = 3,840.27 : x
  2. Step 2: Convert to fraction form
    13,200.16/19,801.54 = 3,840.27/x
  3. Step 3: Cross multiply
    13,200.16x = 19,801.54 × 3,840.27
  4. Step 4: Simplify right side
    13,200.16x = 76,043,260.02
  5. Step 5: Solve for x
    x = 76,043,260.02/13,200.16
  6. Step 6: Final answer
    x = 5,760.78

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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.