Home / 20,732.63-31,103.80-6,881.63

Finding the Fourth Proportional to 20,732.63, 31,103.80 and 6,881.63

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Solution

The fourth proportional to 20,732.63, 31,103.80 and 6,881.63 is: 10,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.63 : 31,103.80 = 6,881.63 : x
  2. Step 2: Convert to fraction form
    20,732.63/31,103.80 = 6,881.63/x
  3. Step 3: Cross multiply
    20,732.63x = 31,103.80 × 6,881.63
  4. Step 4: Simplify right side
    20,732.63x = 214,044,843.19
  5. Step 5: Solve for x
    x = 214,044,843.19/20,732.63
  6. Step 6: Final answer
    x = 10,324.06

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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.