Home / 10,122.41-15,190.46-3,548.66

Finding the Fourth Proportional to 10,122.41, 15,190.46 and 3,548.66

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Solution

The fourth proportional to 10,122.41, 15,190.46 and 3,548.66 is: 5,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.41 : 15,190.46 = 3,548.66 : x
  2. Step 2: Convert to fraction form
    10,122.41/15,190.46 = 3,548.66/x
  3. Step 3: Cross multiply
    10,122.41x = 15,190.46 × 3,548.66
  4. Step 4: Simplify right side
    10,122.41x = 53,905,710.70
  5. Step 5: Solve for x
    x = 53,905,710.70/10,122.41
  6. Step 6: Final answer
    x = 5,325.38

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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.