Home / 13,310.96-19,954.56-5,514.80

Finding the Fourth Proportional to 13,310.96, 19,954.56 and 5,514.80

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Solution

The fourth proportional to 13,310.96, 19,954.56 and 5,514.80 is: 8,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.96 : 19,954.56 = 5,514.80 : x
  2. Step 2: Convert to fraction form
    13,310.96/19,954.56 = 5,514.80/x
  3. Step 3: Cross multiply
    13,310.96x = 19,954.56 × 5,514.80
  4. Step 4: Simplify right side
    13,310.96x = 110,045,407.49
  5. Step 5: Solve for x
    x = 110,045,407.49/13,310.96
  6. Step 6: Final answer
    x = 8,267.28

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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.