Home / 13,359.84-20,038.22-3,499.88

Finding the Fourth Proportional to 13,359.84, 20,038.22 and 3,499.88

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Solution

The fourth proportional to 13,359.84, 20,038.22 and 3,499.88 is: 5,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.84 : 20,038.22 = 3,499.88 : x
  2. Step 2: Convert to fraction form
    13,359.84/20,038.22 = 3,499.88/x
  3. Step 3: Cross multiply
    13,359.84x = 20,038.22 × 3,499.88
  4. Step 4: Simplify right side
    13,359.84x = 70,131,422.54
  5. Step 5: Solve for x
    x = 70,131,422.54/13,359.84
  6. Step 6: Final answer
    x = 5,249.42

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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.