Home / 15,153.24-20,885.94-11,608.68

Finding the Fourth Proportional to 15,153.24, 20,885.94 and 11,608.68

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Solution

The fourth proportional to 15,153.24, 20,885.94 and 11,608.68 is: 16,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.24 : 20,885.94 = 11,608.68 : x
  2. Step 2: Convert to fraction form
    15,153.24/20,885.94 = 11,608.68/x
  3. Step 3: Cross multiply
    15,153.24x = 20,885.94 × 11,608.68
  4. Step 4: Simplify right side
    15,153.24x = 242,458,193.96
  5. Step 5: Solve for x
    x = 242,458,193.96/15,153.24
  6. Step 6: Final answer
    x = 16,000.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.