Home / 19,090.53-28,646.96-7,996.28

Finding the Fourth Proportional to 19,090.53, 28,646.96 and 7,996.28

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Solution

The fourth proportional to 19,090.53, 28,646.96 and 7,996.28 is: 11,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.53 : 28,646.96 = 7,996.28 : x
  2. Step 2: Convert to fraction form
    19,090.53/28,646.96 = 7,996.28/x
  3. Step 3: Cross multiply
    19,090.53x = 28,646.96 × 7,996.28
  4. Step 4: Simplify right side
    19,090.53x = 229,068,930.09
  5. Step 5: Solve for x
    x = 229,068,930.09/19,090.53
  6. Step 6: Final answer
    x = 11,999.09

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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.