Home / 18,514.31-27,755.06-14,151.24

Finding the Fourth Proportional to 18,514.31, 27,755.06 and 14,151.24

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Solution

The fourth proportional to 18,514.31, 27,755.06 and 14,151.24 is: 21,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.31 : 27,755.06 = 14,151.24 : x
  2. Step 2: Convert to fraction form
    18,514.31/27,755.06 = 14,151.24/x
  3. Step 3: Cross multiply
    18,514.31x = 27,755.06 × 14,151.24
  4. Step 4: Simplify right side
    18,514.31x = 392,768,444.52
  5. Step 5: Solve for x
    x = 392,768,444.52/18,514.31
  6. Step 6: Final answer
    x = 21,214.32

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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.