Home / 11,209.59-16,828.97-7,331.31

Finding the Fourth Proportional to 11,209.59, 16,828.97 and 7,331.31

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Solution

The fourth proportional to 11,209.59, 16,828.97 and 7,331.31 is: 11,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.59 : 16,828.97 = 7,331.31 : x
  2. Step 2: Convert to fraction form
    11,209.59/16,828.97 = 7,331.31/x
  3. Step 3: Cross multiply
    11,209.59x = 16,828.97 × 7,331.31
  4. Step 4: Simplify right side
    11,209.59x = 123,378,359.39
  5. Step 5: Solve for x
    x = 123,378,359.39/11,209.59
  6. Step 6: Final answer
    x = 11,006.50

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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.