Home / 18,844.07-28,266.08-7,157.27

Finding the Fourth Proportional to 18,844.07, 28,266.08 and 7,157.27

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Solution

The fourth proportional to 18,844.07, 28,266.08 and 7,157.27 is: 10,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.07 : 28,266.08 = 7,157.27 : x
  2. Step 2: Convert to fraction form
    18,844.07/28,266.08 = 7,157.27/x
  3. Step 3: Cross multiply
    18,844.07x = 28,266.08 × 7,157.27
  4. Step 4: Simplify right side
    18,844.07x = 202,307,930.62
  5. Step 5: Solve for x
    x = 202,307,930.62/18,844.07
  6. Step 6: Final answer
    x = 10,735.89

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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.