Home / 13,517.54-20,283.58-5,625.50

Finding the Fourth Proportional to 13,517.54, 20,283.58 and 5,625.50

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Solution

The fourth proportional to 13,517.54, 20,283.58 and 5,625.50 is: 8,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.54 : 20,283.58 = 5,625.50 : x
  2. Step 2: Convert to fraction form
    13,517.54/20,283.58 = 5,625.50/x
  3. Step 3: Cross multiply
    13,517.54x = 20,283.58 × 5,625.50
  4. Step 4: Simplify right side
    13,517.54x = 114,105,279.29
  5. Step 5: Solve for x
    x = 114,105,279.29/13,517.54
  6. Step 6: Final answer
    x = 8,441.28

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1.5x scale

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.