Home / 11,514.14-15,889.54-6,798.72

Finding the Fourth Proportional to 11,514.14, 15,889.54 and 6,798.72

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Solution

The fourth proportional to 11,514.14, 15,889.54 and 6,798.72 is: 9,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.14 : 15,889.54 = 6,798.72 : x
  2. Step 2: Convert to fraction form
    11,514.14/15,889.54 = 6,798.72/x
  3. Step 3: Cross multiply
    11,514.14x = 15,889.54 × 6,798.72
  4. Step 4: Simplify right side
    11,514.14x = 108,028,533.39
  5. Step 5: Solve for x
    x = 108,028,533.39/11,514.14
  6. Step 6: Final answer
    x = 9,382.25

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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.