Home / 13,169.84-19,754.48-3,681.91

Finding the Fourth Proportional to 13,169.84, 19,754.48 and 3,681.91

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Solution

The fourth proportional to 13,169.84, 19,754.48 and 3,681.91 is: 5,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.84 : 19,754.48 = 3,681.91 : x
  2. Step 2: Convert to fraction form
    13,169.84/19,754.48 = 3,681.91/x
  3. Step 3: Cross multiply
    13,169.84x = 19,754.48 × 3,681.91
  4. Step 4: Simplify right side
    13,169.84x = 72,734,116.94
  5. Step 5: Solve for x
    x = 72,734,116.94/13,169.84
  6. Step 6: Final answer
    x = 5,522.78

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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.