Home / 11,947.72-17,926.48-5,280.69

Finding the Fourth Proportional to 11,947.72, 17,926.48 and 5,280.69

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Solution

The fourth proportional to 11,947.72, 17,926.48 and 5,280.69 is: 7,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.72 : 17,926.48 = 5,280.69 : x
  2. Step 2: Convert to fraction form
    11,947.72/17,926.48 = 5,280.69/x
  3. Step 3: Cross multiply
    11,947.72x = 17,926.48 × 5,280.69
  4. Step 4: Simplify right side
    11,947.72x = 94,664,257.50
  5. Step 5: Solve for x
    x = 94,664,257.50/11,947.72
  6. Step 6: Final answer
    x = 7,923.21

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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.