Home / 11,654.35-17,484.93-5,418.09

Finding the Fourth Proportional to 11,654.35, 17,484.93 and 5,418.09

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Solution

The fourth proportional to 11,654.35, 17,484.93 and 5,418.09 is: 8,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.35 : 17,484.93 = 5,418.09 : x
  2. Step 2: Convert to fraction form
    11,654.35/17,484.93 = 5,418.09/x
  3. Step 3: Cross multiply
    11,654.35x = 17,484.93 × 5,418.09
  4. Step 4: Simplify right side
    11,654.35x = 94,734,924.38
  5. Step 5: Solve for x
    x = 94,734,924.38/11,654.35
  6. Step 6: Final answer
    x = 8,128.72

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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.