Home / 19,384.29-29,087.42-8,289.99

Finding the Fourth Proportional to 19,384.29, 29,087.42 and 8,289.99

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Solution

The fourth proportional to 19,384.29, 29,087.42 and 8,289.99 is: 12,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.29 : 29,087.42 = 8,289.99 : x
  2. Step 2: Convert to fraction form
    19,384.29/29,087.42 = 8,289.99/x
  3. Step 3: Cross multiply
    19,384.29x = 29,087.42 × 8,289.99
  4. Step 4: Simplify right side
    19,384.29x = 241,134,379.48
  5. Step 5: Solve for x
    x = 241,134,379.48/19,384.29
  6. Step 6: Final answer
    x = 12,439.68

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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.