Home / 20,184.03-30,257.60-8,498.07

Finding the Fourth Proportional to 20,184.03, 30,257.60 and 8,498.07

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Solution

The fourth proportional to 20,184.03, 30,257.60 and 8,498.07 is: 12,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.03 : 30,257.60 = 8,498.07 : x
  2. Step 2: Convert to fraction form
    20,184.03/30,257.60 = 8,498.07/x
  3. Step 3: Cross multiply
    20,184.03x = 30,257.60 × 8,498.07
  4. Step 4: Simplify right side
    20,184.03x = 257,131,160.34
  5. Step 5: Solve for x
    x = 257,131,160.34/20,184.03
  6. Step 6: Final answer
    x = 12,739.34

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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.