Home / 13,610.40-20,410.80-4,845.60

Finding the Fourth Proportional to 13,610.40, 20,410.80 and 4,845.60

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Solution

The fourth proportional to 13,610.40, 20,410.80 and 4,845.60 is: 7,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.40 : 20,410.80 = 4,845.60 : x
  2. Step 2: Convert to fraction form
    13,610.40/20,410.80 = 4,845.60/x
  3. Step 3: Cross multiply
    13,610.40x = 20,410.80 × 4,845.60
  4. Step 4: Simplify right side
    13,610.40x = 98,902,572.48
  5. Step 5: Solve for x
    x = 98,902,572.48/13,610.40
  6. Step 6: Final answer
    x = 7,266.69

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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.