Home / 19,830.32-29,736.25-7,349.84

Finding the Fourth Proportional to 19,830.32, 29,736.25 and 7,349.84

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Solution

The fourth proportional to 19,830.32, 29,736.25 and 7,349.84 is: 11,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.32 : 29,736.25 = 7,349.84 : x
  2. Step 2: Convert to fraction form
    19,830.32/29,736.25 = 7,349.84/x
  3. Step 3: Cross multiply
    19,830.32x = 29,736.25 × 7,349.84
  4. Step 4: Simplify right side
    19,830.32x = 218,556,679.70
  5. Step 5: Solve for x
    x = 218,556,679.70/19,830.32
  6. Step 6: Final answer
    x = 11,021.34

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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.