Home / 13,303.20-19,954.80-4,069.20

Finding the Fourth Proportional to 13,303.20, 19,954.80 and 4,069.20

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Solution

The fourth proportional to 13,303.20, 19,954.80 and 4,069.20 is: 6,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.20 : 19,954.80 = 4,069.20 : x
  2. Step 2: Convert to fraction form
    13,303.20/19,954.80 = 4,069.20/x
  3. Step 3: Cross multiply
    13,303.20x = 19,954.80 × 4,069.20
  4. Step 4: Simplify right side
    13,303.20x = 81,200,072.16
  5. Step 5: Solve for x
    x = 81,200,072.16/13,303.20
  6. Step 6: Final answer
    x = 6,103.80

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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.