Home / 11,784.98-17,642.39-7,612.82

Finding the Fourth Proportional to 11,784.98, 17,642.39 and 7,612.82

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Solution

The fourth proportional to 11,784.98, 17,642.39 and 7,612.82 is: 11,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.98 : 17,642.39 = 7,612.82 : x
  2. Step 2: Convert to fraction form
    11,784.98/17,642.39 = 7,612.82/x
  3. Step 3: Cross multiply
    11,784.98x = 17,642.39 × 7,612.82
  4. Step 4: Simplify right side
    11,784.98x = 134,308,339.44
  5. Step 5: Solve for x
    x = 134,308,339.44/11,784.98
  6. Step 6: Final answer
    x = 11,396.57

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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.