Home / 12,862.55-19,295.21-4,095.41

Finding the Fourth Proportional to 12,862.55, 19,295.21 and 4,095.41

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Solution

The fourth proportional to 12,862.55, 19,295.21 and 4,095.41 is: 6,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.55 : 19,295.21 = 4,095.41 : x
  2. Step 2: Convert to fraction form
    12,862.55/19,295.21 = 4,095.41/x
  3. Step 3: Cross multiply
    12,862.55x = 19,295.21 × 4,095.41
  4. Step 4: Simplify right side
    12,862.55x = 79,021,795.99
  5. Step 5: Solve for x
    x = 79,021,795.99/12,862.55
  6. Step 6: Final answer
    x = 6,143.56

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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.