Home / 14,714.28-20,306.12-8,000.37

Finding the Fourth Proportional to 14,714.28, 20,306.12 and 8,000.37

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Solution

The fourth proportional to 14,714.28, 20,306.12 and 8,000.37 is: 11,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.28 : 20,306.12 = 8,000.37 : x
  2. Step 2: Convert to fraction form
    14,714.28/20,306.12 = 8,000.37/x
  3. Step 3: Cross multiply
    14,714.28x = 20,306.12 × 8,000.37
  4. Step 4: Simplify right side
    14,714.28x = 162,456,433.26
  5. Step 5: Solve for x
    x = 162,456,433.26/14,714.28
  6. Step 6: Final answer
    x = 11,040.73

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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.