Home / 19,490.43-29,231.45-6,164.47

Finding the Fourth Proportional to 19,490.43, 29,231.45 and 6,164.47

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Solution

The fourth proportional to 19,490.43, 29,231.45 and 6,164.47 is: 9,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.43 : 29,231.45 = 6,164.47 : x
  2. Step 2: Convert to fraction form
    19,490.43/29,231.45 = 6,164.47/x
  3. Step 3: Cross multiply
    19,490.43x = 29,231.45 × 6,164.47
  4. Step 4: Simplify right side
    19,490.43x = 180,196,396.58
  5. Step 5: Solve for x
    x = 180,196,396.58/19,490.43
  6. Step 6: Final answer
    x = 9,245.38

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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.