Home / 13,409.58-20,116.26-4,522.26

Finding the Fourth Proportional to 13,409.58, 20,116.26 and 4,522.26

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Solution

The fourth proportional to 13,409.58, 20,116.26 and 4,522.26 is: 6,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.58 : 20,116.26 = 4,522.26 : x
  2. Step 2: Convert to fraction form
    13,409.58/20,116.26 = 4,522.26/x
  3. Step 3: Cross multiply
    13,409.58x = 20,116.26 × 4,522.26
  4. Step 4: Simplify right side
    13,409.58x = 90,970,957.95
  5. Step 5: Solve for x
    x = 90,970,957.95/13,409.58
  6. Step 6: Final answer
    x = 6,784.03

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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.