Home / 13,357.06-20,038.78-3,997.86

Finding the Fourth Proportional to 13,357.06, 20,038.78 and 3,997.86

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Solution

The fourth proportional to 13,357.06, 20,038.78 and 3,997.86 is: 5,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.06 : 20,038.78 = 3,997.86 : x
  2. Step 2: Convert to fraction form
    13,357.06/20,038.78 = 3,997.86/x
  3. Step 3: Cross multiply
    13,357.06x = 20,038.78 × 3,997.86
  4. Step 4: Simplify right side
    13,357.06x = 80,112,237.01
  5. Step 5: Solve for x
    x = 80,112,237.01/13,357.06
  6. Step 6: Final answer
    x = 5,997.74

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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.