Home / 18,100.16-27,136.32-8,735.36

Finding the Fourth Proportional to 18,100.16, 27,136.32 and 8,735.36

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Solution

The fourth proportional to 18,100.16, 27,136.32 and 8,735.36 is: 13,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.16 : 27,136.32 = 8,735.36 : x
  2. Step 2: Convert to fraction form
    18,100.16/27,136.32 = 8,735.36/x
  3. Step 3: Cross multiply
    18,100.16x = 27,136.32 × 8,735.36
  4. Step 4: Simplify right side
    18,100.16x = 237,045,524.28
  5. Step 5: Solve for x
    x = 237,045,524.28/18,100.16
  6. Step 6: Final answer
    x = 13,096.32

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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.