Home / 19,828.45-29,703.01-11,926.60

Finding the Fourth Proportional to 19,828.45, 29,703.01 and 11,926.60

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Solution

The fourth proportional to 19,828.45, 29,703.01 and 11,926.60 is: 17,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.45 : 29,703.01 = 11,926.60 : x
  2. Step 2: Convert to fraction form
    19,828.45/29,703.01 = 11,926.60/x
  3. Step 3: Cross multiply
    19,828.45x = 29,703.01 × 11,926.60
  4. Step 4: Simplify right side
    19,828.45x = 354,255,874.62
  5. Step 5: Solve for x
    x = 354,255,874.62/19,828.45
  6. Step 6: Final answer
    x = 17,866.04

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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.