Home / 19,090.24-28,623.60-6,607.36

Finding the Fourth Proportional to 19,090.24, 28,623.60 and 6,607.36

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Solution

The fourth proportional to 19,090.24, 28,623.60 and 6,607.36 is: 9,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.24 : 28,623.60 = 6,607.36 : x
  2. Step 2: Convert to fraction form
    19,090.24/28,623.60 = 6,607.36/x
  3. Step 3: Cross multiply
    19,090.24x = 28,623.60 × 6,607.36
  4. Step 4: Simplify right side
    19,090.24x = 189,126,429.70
  5. Step 5: Solve for x
    x = 189,126,429.70/19,090.24
  6. Step 6: Final answer
    x = 9,906.97

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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.