Home / 12,230.44-18,326.54-8,928.36

Finding the Fourth Proportional to 12,230.44, 18,326.54 and 8,928.36

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Solution

The fourth proportional to 12,230.44, 18,326.54 and 8,928.36 is: 13,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.44 : 18,326.54 = 8,928.36 : x
  2. Step 2: Convert to fraction form
    12,230.44/18,326.54 = 8,928.36/x
  3. Step 3: Cross multiply
    12,230.44x = 18,326.54 × 8,928.36
  4. Step 4: Simplify right side
    12,230.44x = 163,625,946.67
  5. Step 5: Solve for x
    x = 163,625,946.67/12,230.44
  6. Step 6: Final answer
    x = 13,378.58

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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.