Home / 19,271.06-28,907.19-5,231.06

Finding the Fourth Proportional to 19,271.06, 28,907.19 and 5,231.06

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Solution

The fourth proportional to 19,271.06, 28,907.19 and 5,231.06 is: 7,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.06 : 28,907.19 = 5,231.06 : x
  2. Step 2: Convert to fraction form
    19,271.06/28,907.19 = 5,231.06/x
  3. Step 3: Cross multiply
    19,271.06x = 28,907.19 × 5,231.06
  4. Step 4: Simplify right side
    19,271.06x = 151,215,245.32
  5. Step 5: Solve for x
    x = 151,215,245.32/19,271.06
  6. Step 6: Final answer
    x = 7,846.75

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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.