Home / 20,104.07-30,115.88-12,094.41

Finding the Fourth Proportional to 20,104.07, 30,115.88 and 12,094.41

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Solution

The fourth proportional to 20,104.07, 30,115.88 and 12,094.41 is: 18,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.07 : 30,115.88 = 12,094.41 : x
  2. Step 2: Convert to fraction form
    20,104.07/30,115.88 = 12,094.41/x
  3. Step 3: Cross multiply
    20,104.07x = 30,115.88 × 12,094.41
  4. Step 4: Simplify right side
    20,104.07x = 364,233,966.08
  5. Step 5: Solve for x
    x = 364,233,966.08/20,104.07
  6. Step 6: Final answer
    x = 18,117.43

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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.