Home / 19,472.14-29,220.63-6,991.90

Finding the Fourth Proportional to 19,472.14, 29,220.63 and 6,991.90

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Solution

The fourth proportional to 19,472.14, 29,220.63 and 6,991.90 is: 10,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.14 : 29,220.63 = 6,991.90 : x
  2. Step 2: Convert to fraction form
    19,472.14/29,220.63 = 6,991.90/x
  3. Step 3: Cross multiply
    19,472.14x = 29,220.63 × 6,991.90
  4. Step 4: Simplify right side
    19,472.14x = 204,307,662.96
  5. Step 5: Solve for x
    x = 204,307,662.96/19,472.14
  6. Step 6: Final answer
    x = 10,492.31

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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.