Home / 18,608.28-27,915.84-6,129.04

Finding the Fourth Proportional to 18,608.28, 27,915.84 and 6,129.04

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Solution

The fourth proportional to 18,608.28, 27,915.84 and 6,129.04 is: 9,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.28 : 27,915.84 = 6,129.04 : x
  2. Step 2: Convert to fraction form
    18,608.28/27,915.84 = 6,129.04/x
  3. Step 3: Cross multiply
    18,608.28x = 27,915.84 × 6,129.04
  4. Step 4: Simplify right side
    18,608.28x = 171,097,299.99
  5. Step 5: Solve for x
    x = 171,097,299.99/18,608.28
  6. Step 6: Final answer
    x = 9,194.69

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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.