Home / 13,550.49-20,328.84-4,785.48

Finding the Fourth Proportional to 13,550.49, 20,328.84 and 4,785.48

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Solution

The fourth proportional to 13,550.49, 20,328.84 and 4,785.48 is: 7,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.49 : 20,328.84 = 4,785.48 : x
  2. Step 2: Convert to fraction form
    13,550.49/20,328.84 = 4,785.48/x
  3. Step 3: Cross multiply
    13,550.49x = 20,328.84 × 4,785.48
  4. Step 4: Simplify right side
    13,550.49x = 97,283,257.24
  5. Step 5: Solve for x
    x = 97,283,257.24/13,550.49
  6. Step 6: Final answer
    x = 7,179.32

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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.