Home / 13,893.20-20,840.88-4,032.62

Finding the Fourth Proportional to 13,893.20, 20,840.88 and 4,032.62

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Solution

The fourth proportional to 13,893.20, 20,840.88 and 4,032.62 is: 6,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.20 : 20,840.88 = 4,032.62 : x
  2. Step 2: Convert to fraction form
    13,893.20/20,840.88 = 4,032.62/x
  3. Step 3: Cross multiply
    13,893.20x = 20,840.88 × 4,032.62
  4. Step 4: Simplify right side
    13,893.20x = 84,043,349.51
  5. Step 5: Solve for x
    x = 84,043,349.51/13,893.20
  6. Step 6: Final answer
    x = 6,049.24

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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.