Home / 13,336.20-18,396.04-8,623.26

Finding the Fourth Proportional to 13,336.20, 18,396.04 and 8,623.26

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Solution

The fourth proportional to 13,336.20, 18,396.04 and 8,623.26 is: 11,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.20 : 18,396.04 = 8,623.26 : x
  2. Step 2: Convert to fraction form
    13,336.20/18,396.04 = 8,623.26/x
  3. Step 3: Cross multiply
    13,336.20x = 18,396.04 × 8,623.26
  4. Step 4: Simplify right side
    13,336.20x = 158,633,881.88
  5. Step 5: Solve for x
    x = 158,633,881.88/13,336.20
  6. Step 6: Final answer
    x = 11,894.98

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1.5x scale

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.