Home / 10,133.40-13,997.60-8,151.44

Finding the Fourth Proportional to 10,133.40, 13,997.60 and 8,151.44

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Solution

The fourth proportional to 10,133.40, 13,997.60 and 8,151.44 is: 11,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.40 : 13,997.60 = 8,151.44 : x
  2. Step 2: Convert to fraction form
    10,133.40/13,997.60 = 8,151.44/x
  3. Step 3: Cross multiply
    10,133.40x = 13,997.60 × 8,151.44
  4. Step 4: Simplify right side
    10,133.40x = 114,100,596.54
  5. Step 5: Solve for x
    x = 114,100,596.54/10,133.40
  6. Step 6: Final answer
    x = 11,259.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.