Home / 11,319.08-16,947.43-8,537.33

Finding the Fourth Proportional to 11,319.08, 16,947.43 and 8,537.33

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Solution

The fourth proportional to 11,319.08, 16,947.43 and 8,537.33 is: 12,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.08 : 16,947.43 = 8,537.33 : x
  2. Step 2: Convert to fraction form
    11,319.08/16,947.43 = 8,537.33/x
  3. Step 3: Cross multiply
    11,319.08x = 16,947.43 × 8,537.33
  4. Step 4: Simplify right side
    11,319.08x = 144,685,823.59
  5. Step 5: Solve for x
    x = 144,685,823.59/11,319.08
  6. Step 6: Final answer
    x = 12,782.48

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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.