Home / 19,186.88-28,796.72-7,508.30

Finding the Fourth Proportional to 19,186.88, 28,796.72 and 7,508.30

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Solution

The fourth proportional to 19,186.88, 28,796.72 and 7,508.30 is: 11,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.88 : 28,796.72 = 7,508.30 : x
  2. Step 2: Convert to fraction form
    19,186.88/28,796.72 = 7,508.30/x
  3. Step 3: Cross multiply
    19,186.88x = 28,796.72 × 7,508.30
  4. Step 4: Simplify right side
    19,186.88x = 216,214,231.25
  5. Step 5: Solve for x
    x = 216,214,231.25/19,186.88
  6. Step 6: Final answer
    x = 11,268.86

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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.