Home / 13,396.63-20,099.44-9,398.18

Finding the Fourth Proportional to 13,396.63, 20,099.44 and 9,398.18

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Solution

The fourth proportional to 13,396.63, 20,099.44 and 9,398.18 is: 14,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.63 : 20,099.44 = 9,398.18 : x
  2. Step 2: Convert to fraction form
    13,396.63/20,099.44 = 9,398.18/x
  3. Step 3: Cross multiply
    13,396.63x = 20,099.44 × 9,398.18
  4. Step 4: Simplify right side
    13,396.63x = 188,898,116.52
  5. Step 5: Solve for x
    x = 188,898,116.52/13,396.63
  6. Step 6: Final answer
    x = 14,100.42

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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.