Home / 14,514.64-21,777.38-8,270.80

Finding the Fourth Proportional to 14,514.64, 21,777.38 and 8,270.80

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Solution

The fourth proportional to 14,514.64, 21,777.38 and 8,270.80 is: 12,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.64 : 21,777.38 = 8,270.80 : x
  2. Step 2: Convert to fraction form
    14,514.64/21,777.38 = 8,270.80/x
  3. Step 3: Cross multiply
    14,514.64x = 21,777.38 × 8,270.80
  4. Step 4: Simplify right side
    14,514.64x = 180,116,354.50
  5. Step 5: Solve for x
    x = 180,116,354.50/14,514.64
  6. Step 6: Final answer
    x = 12,409.29

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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.