Home / 13,443.52-20,163.74-3,582.56

Finding the Fourth Proportional to 13,443.52, 20,163.74 and 3,582.56

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Solution

The fourth proportional to 13,443.52, 20,163.74 and 3,582.56 is: 5,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.52 : 20,163.74 = 3,582.56 : x
  2. Step 2: Convert to fraction form
    13,443.52/20,163.74 = 3,582.56/x
  3. Step 3: Cross multiply
    13,443.52x = 20,163.74 × 3,582.56
  4. Step 4: Simplify right side
    13,443.52x = 72,237,808.37
  5. Step 5: Solve for x
    x = 72,237,808.37/13,443.52
  6. Step 6: Final answer
    x = 5,373.43

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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.