Home / 19,450.91-29,173.93-5,411.99

Finding the Fourth Proportional to 19,450.91, 29,173.93 and 5,411.99

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Solution

The fourth proportional to 19,450.91, 29,173.93 and 5,411.99 is: 8,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.91 : 29,173.93 = 5,411.99 : x
  2. Step 2: Convert to fraction form
    19,450.91/29,173.93 = 5,411.99/x
  3. Step 3: Cross multiply
    19,450.91x = 29,173.93 × 5,411.99
  4. Step 4: Simplify right side
    19,450.91x = 157,889,017.42
  5. Step 5: Solve for x
    x = 157,889,017.42/19,450.91
  6. Step 6: Final answer
    x = 8,117.31

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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.