Home / 19,782.24-29,645.68-11,460.04

Finding the Fourth Proportional to 19,782.24, 29,645.68 and 11,460.04

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Solution

The fourth proportional to 19,782.24, 29,645.68 and 11,460.04 is: 17,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.24 : 29,645.68 = 11,460.04 : x
  2. Step 2: Convert to fraction form
    19,782.24/29,645.68 = 11,460.04/x
  3. Step 3: Cross multiply
    19,782.24x = 29,645.68 × 11,460.04
  4. Step 4: Simplify right side
    19,782.24x = 339,740,678.63
  5. Step 5: Solve for x
    x = 339,740,678.63/19,782.24
  6. Step 6: Final answer
    x = 17,174.02

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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.