Home / 13,851.57-20,777.39-5,532.26

Finding the Fourth Proportional to 13,851.57, 20,777.39 and 5,532.26

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Solution

The fourth proportional to 13,851.57, 20,777.39 and 5,532.26 is: 8,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.57 : 20,777.39 = 5,532.26 : x
  2. Step 2: Convert to fraction form
    13,851.57/20,777.39 = 5,532.26/x
  3. Step 3: Cross multiply
    13,851.57x = 20,777.39 × 5,532.26
  4. Step 4: Simplify right side
    13,851.57x = 114,945,844.00
  5. Step 5: Solve for x
    x = 114,945,844.00/13,851.57
  6. Step 6: Final answer
    x = 8,298.40

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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.