Home / 13,289.54-19,934.84-4,968.70

Finding the Fourth Proportional to 13,289.54, 19,934.84 and 4,968.70

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Solution

The fourth proportional to 13,289.54, 19,934.84 and 4,968.70 is: 7,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.54 : 19,934.84 = 4,968.70 : x
  2. Step 2: Convert to fraction form
    13,289.54/19,934.84 = 4,968.70/x
  3. Step 3: Cross multiply
    13,289.54x = 19,934.84 × 4,968.70
  4. Step 4: Simplify right side
    13,289.54x = 99,050,202.09
  5. Step 5: Solve for x
    x = 99,050,202.09/13,289.54
  6. Step 6: Final answer
    x = 7,453.25

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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.