Home / 13,020.27-19,526.68-3,659.64

Finding the Fourth Proportional to 13,020.27, 19,526.68 and 3,659.64

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Solution

The fourth proportional to 13,020.27, 19,526.68 and 3,659.64 is: 5,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.27 : 19,526.68 = 3,659.64 : x
  2. Step 2: Convert to fraction form
    13,020.27/19,526.68 = 3,659.64/x
  3. Step 3: Cross multiply
    13,020.27x = 19,526.68 × 3,659.64
  4. Step 4: Simplify right side
    13,020.27x = 71,460,619.20
  5. Step 5: Solve for x
    x = 71,460,619.20/13,020.27
  6. Step 6: Final answer
    x = 5,488.41

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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.