Home / 11,187.27-16,780.95-5,342.58

Finding the Fourth Proportional to 11,187.27, 16,780.95 and 5,342.58

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Solution

The fourth proportional to 11,187.27, 16,780.95 and 5,342.58 is: 8,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.27 : 16,780.95 = 5,342.58 : x
  2. Step 2: Convert to fraction form
    11,187.27/16,780.95 = 5,342.58/x
  3. Step 3: Cross multiply
    11,187.27x = 16,780.95 × 5,342.58
  4. Step 4: Simplify right side
    11,187.27x = 89,653,567.85
  5. Step 5: Solve for x
    x = 89,653,567.85/11,187.27
  6. Step 6: Final answer
    x = 8,013.89

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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.