Home / 13,195.77-19,788.70-4,309.03

Finding the Fourth Proportional to 13,195.77, 19,788.70 and 4,309.03

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Solution

The fourth proportional to 13,195.77, 19,788.70 and 4,309.03 is: 6,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.77 : 19,788.70 = 4,309.03 : x
  2. Step 2: Convert to fraction form
    13,195.77/19,788.70 = 4,309.03/x
  3. Step 3: Cross multiply
    13,195.77x = 19,788.70 × 4,309.03
  4. Step 4: Simplify right side
    13,195.77x = 85,270,101.96
  5. Step 5: Solve for x
    x = 85,270,101.96/13,195.77
  6. Step 6: Final answer
    x = 6,461.93

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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.