Home / 13,485.36-20,236.68-6,556.08

Finding the Fourth Proportional to 13,485.36, 20,236.68 and 6,556.08

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Solution

The fourth proportional to 13,485.36, 20,236.68 and 6,556.08 is: 9,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.36 : 20,236.68 = 6,556.08 : x
  2. Step 2: Convert to fraction form
    13,485.36/20,236.68 = 6,556.08/x
  3. Step 3: Cross multiply
    13,485.36x = 20,236.68 × 6,556.08
  4. Step 4: Simplify right side
    13,485.36x = 132,673,293.01
  5. Step 5: Solve for x
    x = 132,673,293.01/13,485.36
  6. Step 6: Final answer
    x = 9,838.32

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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.