Home / 13,417.72-18,525.42-11,996.80

Finding the Fourth Proportional to 13,417.72, 18,525.42 and 11,996.80

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Solution

The fourth proportional to 13,417.72, 18,525.42 and 11,996.80 is: 16,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.72 : 18,525.42 = 11,996.80 : x
  2. Step 2: Convert to fraction form
    13,417.72/18,525.42 = 11,996.80/x
  3. Step 3: Cross multiply
    13,417.72x = 18,525.42 × 11,996.80
  4. Step 4: Simplify right side
    13,417.72x = 222,245,758.66
  5. Step 5: Solve for x
    x = 222,245,758.66/13,417.72
  6. Step 6: Final answer
    x = 16,563.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.