Home / 11,135.69-16,708.40-9,656.39

Finding the Fourth Proportional to 11,135.69, 16,708.40 and 9,656.39

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Solution

The fourth proportional to 11,135.69, 16,708.40 and 9,656.39 is: 14,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.69 : 16,708.40 = 9,656.39 : x
  2. Step 2: Convert to fraction form
    11,135.69/16,708.40 = 9,656.39/x
  3. Step 3: Cross multiply
    11,135.69x = 16,708.40 × 9,656.39
  4. Step 4: Simplify right side
    11,135.69x = 161,342,694.85
  5. Step 5: Solve for x
    x = 161,342,694.85/11,135.69
  6. Step 6: Final answer
    x = 14,488.80

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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.