Home / 13,673.46-20,510.22-7,825.96

Finding the Fourth Proportional to 13,673.46, 20,510.22 and 7,825.96

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Solution

The fourth proportional to 13,673.46, 20,510.22 and 7,825.96 is: 11,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.46 : 20,510.22 = 7,825.96 : x
  2. Step 2: Convert to fraction form
    13,673.46/20,510.22 = 7,825.96/x
  3. Step 3: Cross multiply
    13,673.46x = 20,510.22 × 7,825.96
  4. Step 4: Simplify right side
    13,673.46x = 160,512,161.31
  5. Step 5: Solve for x
    x = 160,512,161.31/13,673.46
  6. Step 6: Final answer
    x = 11,738.96

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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.