Home / 11,188.07-16,778.49-4,947.93

Finding the Fourth Proportional to 11,188.07, 16,778.49 and 4,947.93

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Solution

The fourth proportional to 11,188.07, 16,778.49 and 4,947.93 is: 7,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.07 : 16,778.49 = 4,947.93 : x
  2. Step 2: Convert to fraction form
    11,188.07/16,778.49 = 4,947.93/x
  3. Step 3: Cross multiply
    11,188.07x = 16,778.49 × 4,947.93
  4. Step 4: Simplify right side
    11,188.07x = 83,018,794.03
  5. Step 5: Solve for x
    x = 83,018,794.03/11,188.07
  6. Step 6: Final answer
    x = 7,420.30

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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.