Home / 13,865.52-20,805.60-8,026.20

Finding the Fourth Proportional to 13,865.52, 20,805.60 and 8,026.20

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Solution

The fourth proportional to 13,865.52, 20,805.60 and 8,026.20 is: 12,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.52 : 20,805.60 = 8,026.20 : x
  2. Step 2: Convert to fraction form
    13,865.52/20,805.60 = 8,026.20/x
  3. Step 3: Cross multiply
    13,865.52x = 20,805.60 × 8,026.20
  4. Step 4: Simplify right side
    13,865.52x = 166,989,906.72
  5. Step 5: Solve for x
    x = 166,989,906.72/13,865.52
  6. Step 6: Final answer
    x = 12,043.54

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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.