Home / 13,659.33-18,853.80-8,879.37

Finding the Fourth Proportional to 13,659.33, 18,853.80 and 8,879.37

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Solution

The fourth proportional to 13,659.33, 18,853.80 and 8,879.37 is: 12,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.33 : 18,853.80 = 8,879.37 : x
  2. Step 2: Convert to fraction form
    13,659.33/18,853.80 = 8,879.37/x
  3. Step 3: Cross multiply
    13,659.33x = 18,853.80 × 8,879.37
  4. Step 4: Simplify right side
    13,659.33x = 167,409,866.11
  5. Step 5: Solve for x
    x = 167,409,866.11/13,659.33
  6. Step 6: Final answer
    x = 12,256.08

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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.