Home / 13,228.26-19,846.92-8,291.99

Finding the Fourth Proportional to 13,228.26, 19,846.92 and 8,291.99

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Solution

The fourth proportional to 13,228.26, 19,846.92 and 8,291.99 is: 12,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.26 : 19,846.92 = 8,291.99 : x
  2. Step 2: Convert to fraction form
    13,228.26/19,846.92 = 8,291.99/x
  3. Step 3: Cross multiply
    13,228.26x = 19,846.92 × 8,291.99
  4. Step 4: Simplify right side
    13,228.26x = 164,570,362.94
  5. Step 5: Solve for x
    x = 164,570,362.94/13,228.26
  6. Step 6: Final answer
    x = 12,440.82

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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.