Home / 19,090.20-28,646.50-7,996.02

Finding the Fourth Proportional to 19,090.20, 28,646.50 and 7,996.02

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Solution

The fourth proportional to 19,090.20, 28,646.50 and 7,996.02 is: 11,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.20 : 28,646.50 = 7,996.02 : x
  2. Step 2: Convert to fraction form
    19,090.20/28,646.50 = 7,996.02/x
  3. Step 3: Cross multiply
    19,090.20x = 28,646.50 × 7,996.02
  4. Step 4: Simplify right side
    19,090.20x = 229,057,986.93
  5. Step 5: Solve for x
    x = 229,057,986.93/19,090.20
  6. Step 6: Final answer
    x = 11,998.72

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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.