Home / 13,441.69-20,164.70-4,679.11

Finding the Fourth Proportional to 13,441.69, 20,164.70 and 4,679.11

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Solution

The fourth proportional to 13,441.69, 20,164.70 and 4,679.11 is: 7,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.69 : 20,164.70 = 4,679.11 : x
  2. Step 2: Convert to fraction form
    13,441.69/20,164.70 = 4,679.11/x
  3. Step 3: Cross multiply
    13,441.69x = 20,164.70 × 4,679.11
  4. Step 4: Simplify right side
    13,441.69x = 94,352,826.02
  5. Step 5: Solve for x
    x = 94,352,826.02/13,441.69
  6. Step 6: Final answer
    x = 7,019.42

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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.