Home / 13,622.00-20,435.85-4,261.64

Finding the Fourth Proportional to 13,622.00, 20,435.85 and 4,261.64

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Solution

The fourth proportional to 13,622.00, 20,435.85 and 4,261.64 is: 6,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.00 : 20,435.85 = 4,261.64 : x
  2. Step 2: Convert to fraction form
    13,622.00/20,435.85 = 4,261.64/x
  3. Step 3: Cross multiply
    13,622.00x = 20,435.85 × 4,261.64
  4. Step 4: Simplify right side
    13,622.00x = 87,090,133.61
  5. Step 5: Solve for x
    x = 87,090,133.61/13,622.00
  6. Step 6: Final answer
    x = 6,393.35

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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.