Home / 10,157.36-15,211.45-7,028.60

Finding the Fourth Proportional to 10,157.36, 15,211.45 and 7,028.60

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Solution

The fourth proportional to 10,157.36, 15,211.45 and 7,028.60 is: 10,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.36 : 15,211.45 = 7,028.60 : x
  2. Step 2: Convert to fraction form
    10,157.36/15,211.45 = 7,028.60/x
  3. Step 3: Cross multiply
    10,157.36x = 15,211.45 × 7,028.60
  4. Step 4: Simplify right side
    10,157.36x = 106,915,197.47
  5. Step 5: Solve for x
    x = 106,915,197.47/10,157.36
  6. Step 6: Final answer
    x = 10,525.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.