Home / 15,589.74-21,514.43-8,516.22

Finding the Fourth Proportional to 15,589.74, 21,514.43 and 8,516.22

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Solution

The fourth proportional to 15,589.74, 21,514.43 and 8,516.22 is: 11,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.74 : 21,514.43 = 8,516.22 : x
  2. Step 2: Convert to fraction form
    15,589.74/21,514.43 = 8,516.22/x
  3. Step 3: Cross multiply
    15,589.74x = 21,514.43 × 8,516.22
  4. Step 4: Simplify right side
    15,589.74x = 183,221,619.05
  5. Step 5: Solve for x
    x = 183,221,619.05/15,589.74
  6. Step 6: Final answer
    x = 11,752.71

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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.