Home / 13,660.26-18,852.57-8,358.60

Finding the Fourth Proportional to 13,660.26, 18,852.57 and 8,358.60

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Solution

The fourth proportional to 13,660.26, 18,852.57 and 8,358.60 is: 11,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.26 : 18,852.57 = 8,358.60 : x
  2. Step 2: Convert to fraction form
    13,660.26/18,852.57 = 8,358.60/x
  3. Step 3: Cross multiply
    13,660.26x = 18,852.57 × 8,358.60
  4. Step 4: Simplify right side
    13,660.26x = 157,581,091.60
  5. Step 5: Solve for x
    x = 157,581,091.60/13,660.26
  6. Step 6: Final answer
    x = 11,535.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.