Home / 13,184.69-19,772.03-4,748.79

Finding the Fourth Proportional to 13,184.69, 19,772.03 and 4,748.79

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Solution

The fourth proportional to 13,184.69, 19,772.03 and 4,748.79 is: 7,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.69 : 19,772.03 = 4,748.79 : x
  2. Step 2: Convert to fraction form
    13,184.69/19,772.03 = 4,748.79/x
  3. Step 3: Cross multiply
    13,184.69x = 19,772.03 × 4,748.79
  4. Step 4: Simplify right side
    13,184.69x = 93,893,194.60
  5. Step 5: Solve for x
    x = 93,893,194.60/13,184.69
  6. Step 6: Final answer
    x = 7,121.38

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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.