Home / 14,514.05-20,029.62-8,142.06

Finding the Fourth Proportional to 14,514.05, 20,029.62 and 8,142.06

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Solution

The fourth proportional to 14,514.05, 20,029.62 and 8,142.06 is: 11,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.05 : 20,029.62 = 8,142.06 : x
  2. Step 2: Convert to fraction form
    14,514.05/20,029.62 = 8,142.06/x
  3. Step 3: Cross multiply
    14,514.05x = 20,029.62 × 8,142.06
  4. Step 4: Simplify right side
    14,514.05x = 163,082,262.17
  5. Step 5: Solve for x
    x = 163,082,262.17/14,514.05
  6. Step 6: Final answer
    x = 11,236.17

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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.