Home / 13,489.76-20,237.37-4,730.84

Finding the Fourth Proportional to 13,489.76, 20,237.37 and 4,730.84

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Solution

The fourth proportional to 13,489.76, 20,237.37 and 4,730.84 is: 7,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.76 : 20,237.37 = 4,730.84 : x
  2. Step 2: Convert to fraction form
    13,489.76/20,237.37 = 4,730.84/x
  3. Step 3: Cross multiply
    13,489.76x = 20,237.37 × 4,730.84
  4. Step 4: Simplify right side
    13,489.76x = 95,739,759.49
  5. Step 5: Solve for x
    x = 95,739,759.49/13,489.76
  6. Step 6: Final answer
    x = 7,097.22

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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.