Home / 12,323.83-18,477.66-4,422.39

Finding the Fourth Proportional to 12,323.83, 18,477.66 and 4,422.39

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Solution

The fourth proportional to 12,323.83, 18,477.66 and 4,422.39 is: 6,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.83 : 18,477.66 = 4,422.39 : x
  2. Step 2: Convert to fraction form
    12,323.83/18,477.66 = 4,422.39/x
  3. Step 3: Cross multiply
    12,323.83x = 18,477.66 × 4,422.39
  4. Step 4: Simplify right side
    12,323.83x = 81,715,418.81
  5. Step 5: Solve for x
    x = 81,715,418.81/12,323.83
  6. Step 6: Final answer
    x = 6,630.68

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1.5x scale

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.