Home / 14,687.22-20,259.41-8,714.90

Finding the Fourth Proportional to 14,687.22, 20,259.41 and 8,714.90

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Solution

The fourth proportional to 14,687.22, 20,259.41 and 8,714.90 is: 12,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.22 : 20,259.41 = 8,714.90 : x
  2. Step 2: Convert to fraction form
    14,687.22/20,259.41 = 8,714.90/x
  3. Step 3: Cross multiply
    14,687.22x = 20,259.41 × 8,714.90
  4. Step 4: Simplify right side
    14,687.22x = 176,558,732.21
  5. Step 5: Solve for x
    x = 176,558,732.21/14,687.22
  6. Step 6: Final answer
    x = 12,021.25

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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.