Home / 13,969.10-20,951.76-5,535.48

Finding the Fourth Proportional to 13,969.10, 20,951.76 and 5,535.48

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Solution

The fourth proportional to 13,969.10, 20,951.76 and 5,535.48 is: 8,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.10 : 20,951.76 = 5,535.48 : x
  2. Step 2: Convert to fraction form
    13,969.10/20,951.76 = 5,535.48/x
  3. Step 3: Cross multiply
    13,969.10x = 20,951.76 × 5,535.48
  4. Step 4: Simplify right side
    13,969.10x = 115,978,048.44
  5. Step 5: Solve for x
    x = 115,978,048.44/13,969.10
  6. Step 6: Final answer
    x = 8,302.47

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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.