Home / 19,898.48-29,852.34-7,418.54

Finding the Fourth Proportional to 19,898.48, 29,852.34 and 7,418.54

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Solution

The fourth proportional to 19,898.48, 29,852.34 and 7,418.54 is: 11,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.48 : 29,852.34 = 7,418.54 : x
  2. Step 2: Convert to fraction form
    19,898.48/29,852.34 = 7,418.54/x
  3. Step 3: Cross multiply
    19,898.48x = 29,852.34 × 7,418.54
  4. Step 4: Simplify right side
    19,898.48x = 221,460,778.38
  5. Step 5: Solve for x
    x = 221,460,778.38/19,898.48
  6. Step 6: Final answer
    x = 11,129.53

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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.