Home / 20,714.46-31,098.80-12,296.34

Finding the Fourth Proportional to 20,714.46, 31,098.80 and 12,296.34

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Solution

The fourth proportional to 20,714.46, 31,098.80 and 12,296.34 is: 18,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.46 : 31,098.80 = 12,296.34 : x
  2. Step 2: Convert to fraction form
    20,714.46/31,098.80 = 12,296.34/x
  3. Step 3: Cross multiply
    20,714.46x = 31,098.80 × 12,296.34
  4. Step 4: Simplify right side
    20,714.46x = 382,401,418.39
  5. Step 5: Solve for x
    x = 382,401,418.39/20,714.46
  6. Step 6: Final answer
    x = 18,460.60

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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.