Home / 20,014.36-27,611.12-11,514.64

Finding the Fourth Proportional to 20,014.36, 27,611.12 and 11,514.64

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Solution

The fourth proportional to 20,014.36, 27,611.12 and 11,514.64 is: 15,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.36 : 27,611.12 = 11,514.64 : x
  2. Step 2: Convert to fraction form
    20,014.36/27,611.12 = 11,514.64/x
  3. Step 3: Cross multiply
    20,014.36x = 27,611.12 × 11,514.64
  4. Step 4: Simplify right side
    20,014.36x = 317,932,106.80
  5. Step 5: Solve for x
    x = 317,932,106.80/20,014.36
  6. Step 6: Final answer
    x = 15,885.20

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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.