Home / 19,394.38-29,090.98-5,355.26

Finding the Fourth Proportional to 19,394.38, 29,090.98 and 5,355.26

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Solution

The fourth proportional to 19,394.38, 29,090.98 and 5,355.26 is: 8,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.38 : 29,090.98 = 5,355.26 : x
  2. Step 2: Convert to fraction form
    19,394.38/29,090.98 = 5,355.26/x
  3. Step 3: Cross multiply
    19,394.38x = 29,090.98 × 5,355.26
  4. Step 4: Simplify right side
    19,394.38x = 155,789,731.89
  5. Step 5: Solve for x
    x = 155,789,731.89/19,394.38
  6. Step 6: Final answer
    x = 8,032.73

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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.