Home / 11,514.60-17,187.83-9,881.64

Finding the Fourth Proportional to 11,514.60, 17,187.83 and 9,881.64

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Solution

The fourth proportional to 11,514.60, 17,187.83 and 9,881.64 is: 14,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.60 : 17,187.83 = 9,881.64 : x
  2. Step 2: Convert to fraction form
    11,514.60/17,187.83 = 9,881.64/x
  3. Step 3: Cross multiply
    11,514.60x = 17,187.83 × 9,881.64
  4. Step 4: Simplify right side
    11,514.60x = 169,843,948.44
  5. Step 5: Solve for x
    x = 169,843,948.44/11,514.60
  6. Step 6: Final answer
    x = 14,750.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.