Home / 13,289.44-19,927.68-8,362.84

Finding the Fourth Proportional to 13,289.44, 19,927.68 and 8,362.84

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Solution

The fourth proportional to 13,289.44, 19,927.68 and 8,362.84 is: 12,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.44 : 19,927.68 = 8,362.84 : x
  2. Step 2: Convert to fraction form
    13,289.44/19,927.68 = 8,362.84/x
  3. Step 3: Cross multiply
    13,289.44x = 19,927.68 × 8,362.84
  4. Step 4: Simplify right side
    13,289.44x = 166,651,999.41
  5. Step 5: Solve for x
    x = 166,651,999.41/13,289.44
  6. Step 6: Final answer
    x = 12,540.18

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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.