Home / 11,514.03-15,889.33-6,478.25

Finding the Fourth Proportional to 11,514.03, 15,889.33 and 6,478.25

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Solution

The fourth proportional to 11,514.03, 15,889.33 and 6,478.25 is: 8,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.03 : 15,889.33 = 6,478.25 : x
  2. Step 2: Convert to fraction form
    11,514.03/15,889.33 = 6,478.25/x
  3. Step 3: Cross multiply
    11,514.03x = 15,889.33 × 6,478.25
  4. Step 4: Simplify right side
    11,514.03x = 102,935,052.07
  5. Step 5: Solve for x
    x = 102,935,052.07/11,514.03
  6. Step 6: Final answer
    x = 8,939.97

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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.