Home / 13,080.79-19,623.03-4,194.05

Finding the Fourth Proportional to 13,080.79, 19,623.03 and 4,194.05

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Solution

The fourth proportional to 13,080.79, 19,623.03 and 4,194.05 is: 6,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.79 : 19,623.03 = 4,194.05 : x
  2. Step 2: Convert to fraction form
    13,080.79/19,623.03 = 4,194.05/x
  3. Step 3: Cross multiply
    13,080.79x = 19,623.03 × 4,194.05
  4. Step 4: Simplify right side
    13,080.79x = 82,299,855.13
  5. Step 5: Solve for x
    x = 82,299,855.13/13,080.79
  6. Step 6: Final answer
    x = 6,291.66

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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.