Home / 11,187.34-16,780.05-5,262.84

Finding the Fourth Proportional to 11,187.34, 16,780.05 and 5,262.84

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Solution

The fourth proportional to 11,187.34, 16,780.05 and 5,262.84 is: 7,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.34 : 16,780.05 = 5,262.84 : x
  2. Step 2: Convert to fraction form
    11,187.34/16,780.05 = 5,262.84/x
  3. Step 3: Cross multiply
    11,187.34x = 16,780.05 × 5,262.84
  4. Step 4: Simplify right side
    11,187.34x = 88,310,718.34
  5. Step 5: Solve for x
    x = 88,310,718.34/11,187.34
  6. Step 6: Final answer
    x = 7,893.81

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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.