Home / 13,283.44-19,898.76-12,194.80

Finding the Fourth Proportional to 13,283.44, 19,898.76 and 12,194.80

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Solution

The fourth proportional to 13,283.44, 19,898.76 and 12,194.80 is: 18,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.44 : 19,898.76 = 12,194.80 : x
  2. Step 2: Convert to fraction form
    13,283.44/19,898.76 = 12,194.80/x
  3. Step 3: Cross multiply
    13,283.44x = 19,898.76 × 12,194.80
  4. Step 4: Simplify right side
    13,283.44x = 242,661,398.45
  5. Step 5: Solve for x
    x = 242,661,398.45/13,283.44
  6. Step 6: Final answer
    x = 18,267.96

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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.