Home / 19,425-29,142.62-6,946.26

Finding the Fourth Proportional to 19,425, 29,142.62 and 6,946.26

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Solution

The fourth proportional to 19,425, 29,142.62 and 6,946.26 is: 10,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425 : 29,142.62 = 6,946.26 : x
  2. Step 2: Convert to fraction form
    19,425/29,142.62 = 6,946.26/x
  3. Step 3: Cross multiply
    19,425x = 29,142.62 × 6,946.26
  4. Step 4: Simplify right side
    19,425x = 202,432,215.60
  5. Step 5: Solve for x
    x = 202,432,215.60/19,425
  6. Step 6: Final answer
    x = 10,421.22

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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.