Home / 13,986.45-19,303.11-8,020.26

Finding the Fourth Proportional to 13,986.45, 19,303.11 and 8,020.26

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Solution

The fourth proportional to 13,986.45, 19,303.11 and 8,020.26 is: 11,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.45 : 19,303.11 = 8,020.26 : x
  2. Step 2: Convert to fraction form
    13,986.45/19,303.11 = 8,020.26/x
  3. Step 3: Cross multiply
    13,986.45x = 19,303.11 × 8,020.26
  4. Step 4: Simplify right side
    13,986.45x = 154,815,961.01
  5. Step 5: Solve for x
    x = 154,815,961.01/13,986.45
  6. Step 6: Final answer
    x = 11,069.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.