Home / 21,749.44-30,014.34-12,797.32

Finding the Fourth Proportional to 21,749.44, 30,014.34 and 12,797.32

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Solution

The fourth proportional to 21,749.44, 30,014.34 and 12,797.32 is: 17,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.44 : 30,014.34 = 12,797.32 : x
  2. Step 2: Convert to fraction form
    21,749.44/30,014.34 = 12,797.32/x
  3. Step 3: Cross multiply
    21,749.44x = 30,014.34 × 12,797.32
  4. Step 4: Simplify right side
    21,749.44x = 384,103,113.57
  5. Step 5: Solve for x
    x = 384,103,113.57/21,749.44
  6. Step 6: Final answer
    x = 17,660.37

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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.