Home / 13,505.26-20,257.20-4,739.50

Finding the Fourth Proportional to 13,505.26, 20,257.20 and 4,739.50

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Solution

The fourth proportional to 13,505.26, 20,257.20 and 4,739.50 is: 7,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.26 : 20,257.20 = 4,739.50 : x
  2. Step 2: Convert to fraction form
    13,505.26/20,257.20 = 4,739.50/x
  3. Step 3: Cross multiply
    13,505.26x = 20,257.20 × 4,739.50
  4. Step 4: Simplify right side
    13,505.26x = 96,008,999.40
  5. Step 5: Solve for x
    x = 96,008,999.40/13,505.26
  6. Step 6: Final answer
    x = 7,109.01

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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.