Home / 17,215.08-25,798.37-13,689.44

Finding the Fourth Proportional to 17,215.08, 25,798.37 and 13,689.44

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Solution

The fourth proportional to 17,215.08, 25,798.37 and 13,689.44 is: 20,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.08 : 25,798.37 = 13,689.44 : x
  2. Step 2: Convert to fraction form
    17,215.08/25,798.37 = 13,689.44/x
  3. Step 3: Cross multiply
    17,215.08x = 25,798.37 × 13,689.44
  4. Step 4: Simplify right side
    17,215.08x = 353,165,361.86
  5. Step 5: Solve for x
    x = 353,165,361.86/17,215.08
  6. Step 6: Final answer
    x = 20,514.88

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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.