Home / 15,558.87-23,318.82-11,109.54

Finding the Fourth Proportional to 15,558.87, 23,318.82 and 11,109.54

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Solution

The fourth proportional to 15,558.87, 23,318.82 and 11,109.54 is: 16,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.87 : 23,318.82 = 11,109.54 : x
  2. Step 2: Convert to fraction form
    15,558.87/23,318.82 = 11,109.54/x
  3. Step 3: Cross multiply
    15,558.87x = 23,318.82 × 11,109.54
  4. Step 4: Simplify right side
    15,558.87x = 259,061,363.54
  5. Step 5: Solve for x
    x = 259,061,363.54/15,558.87
  6. Step 6: Final answer
    x = 16,650.40

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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.