Home / 13,440.84-20,163.34-6,863.46

Finding the Fourth Proportional to 13,440.84, 20,163.34 and 6,863.46

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Solution

The fourth proportional to 13,440.84, 20,163.34 and 6,863.46 is: 10,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.84 : 20,163.34 = 6,863.46 : x
  2. Step 2: Convert to fraction form
    13,440.84/20,163.34 = 6,863.46/x
  3. Step 3: Cross multiply
    13,440.84x = 20,163.34 × 6,863.46
  4. Step 4: Simplify right side
    13,440.84x = 138,390,277.56
  5. Step 5: Solve for x
    x = 138,390,277.56/13,440.84
  6. Step 6: Final answer
    x = 10,296.25

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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.