Home / 13,422.56-20,131.44-6,025.76

Finding the Fourth Proportional to 13,422.56, 20,131.44 and 6,025.76

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Solution

The fourth proportional to 13,422.56, 20,131.44 and 6,025.76 is: 9,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.56 : 20,131.44 = 6,025.76 : x
  2. Step 2: Convert to fraction form
    13,422.56/20,131.44 = 6,025.76/x
  3. Step 3: Cross multiply
    13,422.56x = 20,131.44 × 6,025.76
  4. Step 4: Simplify right side
    13,422.56x = 121,307,225.89
  5. Step 5: Solve for x
    x = 121,307,225.89/13,422.56
  6. Step 6: Final answer
    x = 9,037.56

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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.