Home / 13,564.50-20,346.87-4,800.90

Finding the Fourth Proportional to 13,564.50, 20,346.87 and 4,800.90

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Solution

The fourth proportional to 13,564.50, 20,346.87 and 4,800.90 is: 7,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.50 : 20,346.87 = 4,800.90 : x
  2. Step 2: Convert to fraction form
    13,564.50/20,346.87 = 4,800.90/x
  3. Step 3: Cross multiply
    13,564.50x = 20,346.87 × 4,800.90
  4. Step 4: Simplify right side
    13,564.50x = 97,683,288.18
  5. Step 5: Solve for x
    x = 97,683,288.18/13,564.50
  6. Step 6: Final answer
    x = 7,201.39

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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.