Home / 13,763.58-20,610.30-9,069.36

Finding the Fourth Proportional to 13,763.58, 20,610.30 and 9,069.36

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Solution

The fourth proportional to 13,763.58, 20,610.30 and 9,069.36 is: 13,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.58 : 20,610.30 = 9,069.36 : x
  2. Step 2: Convert to fraction form
    13,763.58/20,610.30 = 9,069.36/x
  3. Step 3: Cross multiply
    13,763.58x = 20,610.30 × 9,069.36
  4. Step 4: Simplify right side
    13,763.58x = 186,922,230.41
  5. Step 5: Solve for x
    x = 186,922,230.41/13,763.58
  6. Step 6: Final answer
    x = 13,580.93

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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.