Home / 10,157.40-15,242.90-3,583.60

Finding the Fourth Proportional to 10,157.40, 15,242.90 and 3,583.60

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Solution

The fourth proportional to 10,157.40, 15,242.90 and 3,583.60 is: 5,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.40 : 15,242.90 = 3,583.60 : x
  2. Step 2: Convert to fraction form
    10,157.40/15,242.90 = 3,583.60/x
  3. Step 3: Cross multiply
    10,157.40x = 15,242.90 × 3,583.60
  4. Step 4: Simplify right side
    10,157.40x = 54,624,456.44
  5. Step 5: Solve for x
    x = 54,624,456.44/10,157.40
  6. Step 6: Final answer
    x = 5,377.80

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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.