Home / 10,122.44-15,173.28-3,880.76

Finding the Fourth Proportional to 10,122.44, 15,173.28 and 3,880.76

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Solution

The fourth proportional to 10,122.44, 15,173.28 and 3,880.76 is: 5,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.44 : 15,173.28 = 3,880.76 : x
  2. Step 2: Convert to fraction form
    10,122.44/15,173.28 = 3,880.76/x
  3. Step 3: Cross multiply
    10,122.44x = 15,173.28 × 3,880.76
  4. Step 4: Simplify right side
    10,122.44x = 58,883,858.09
  5. Step 5: Solve for x
    x = 58,883,858.09/10,122.44
  6. Step 6: Final answer
    x = 5,817.16

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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.