Home / 13,378.24-20,068.26-4,017.88

Finding the Fourth Proportional to 13,378.24, 20,068.26 and 4,017.88

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Solution

The fourth proportional to 13,378.24, 20,068.26 and 4,017.88 is: 6,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.24 : 20,068.26 = 4,017.88 : x
  2. Step 2: Convert to fraction form
    13,378.24/20,068.26 = 4,017.88/x
  3. Step 3: Cross multiply
    13,378.24x = 20,068.26 × 4,017.88
  4. Step 4: Simplify right side
    13,378.24x = 80,631,860.49
  5. Step 5: Solve for x
    x = 80,631,860.49/13,378.24
  6. Step 6: Final answer
    x = 6,027.09

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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.