Home / 11,927.67-17,891.06-4,905.74

Finding the Fourth Proportional to 11,927.67, 17,891.06 and 4,905.74

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Solution

The fourth proportional to 11,927.67, 17,891.06 and 4,905.74 is: 7,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.67 : 17,891.06 = 4,905.74 : x
  2. Step 2: Convert to fraction form
    11,927.67/17,891.06 = 4,905.74/x
  3. Step 3: Cross multiply
    11,927.67x = 17,891.06 × 4,905.74
  4. Step 4: Simplify right side
    11,927.67x = 87,768,774.70
  5. Step 5: Solve for x
    x = 87,768,774.70/11,927.67
  6. Step 6: Final answer
    x = 7,358.42

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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.