Home / 11,285.87-16,917.67-5,352.35

Finding the Fourth Proportional to 11,285.87, 16,917.67 and 5,352.35

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Solution

The fourth proportional to 11,285.87, 16,917.67 and 5,352.35 is: 8,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.87 : 16,917.67 = 5,352.35 : x
  2. Step 2: Convert to fraction form
    11,285.87/16,917.67 = 5,352.35/x
  3. Step 3: Cross multiply
    11,285.87x = 16,917.67 × 5,352.35
  4. Step 4: Simplify right side
    11,285.87x = 90,549,264.26
  5. Step 5: Solve for x
    x = 90,549,264.26/11,285.87
  6. Step 6: Final answer
    x = 8,023.24

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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.