Home / 12,433.41-18,647.40-4,111.47

Finding the Fourth Proportional to 12,433.41, 18,647.40 and 4,111.47

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Solution

The fourth proportional to 12,433.41, 18,647.40 and 4,111.47 is: 6,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.41 : 18,647.40 = 4,111.47 : x
  2. Step 2: Convert to fraction form
    12,433.41/18,647.40 = 4,111.47/x
  3. Step 3: Cross multiply
    12,433.41x = 18,647.40 × 4,111.47
  4. Step 4: Simplify right side
    12,433.41x = 76,668,225.68
  5. Step 5: Solve for x
    x = 76,668,225.68/12,433.41
  6. Step 6: Final answer
    x = 6,166.31

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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.