Home / 13,017.69-19,527.30-3,658.44

Finding the Fourth Proportional to 13,017.69, 19,527.30 and 3,658.44

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Solution

The fourth proportional to 13,017.69, 19,527.30 and 3,658.44 is: 5,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.69 : 19,527.30 = 3,658.44 : x
  2. Step 2: Convert to fraction form
    13,017.69/19,527.30 = 3,658.44/x
  3. Step 3: Cross multiply
    13,017.69x = 19,527.30 × 3,658.44
  4. Step 4: Simplify right side
    13,017.69x = 71,439,455.41
  5. Step 5: Solve for x
    x = 71,439,455.41/13,017.69
  6. Step 6: Final answer
    x = 5,487.87

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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.