Home / 11,012.23-16,511.32-7,259.68

Finding the Fourth Proportional to 11,012.23, 16,511.32 and 7,259.68

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Solution

The fourth proportional to 11,012.23, 16,511.32 and 7,259.68 is: 10,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.23 : 16,511.32 = 7,259.68 : x
  2. Step 2: Convert to fraction form
    11,012.23/16,511.32 = 7,259.68/x
  3. Step 3: Cross multiply
    11,012.23x = 16,511.32 × 7,259.68
  4. Step 4: Simplify right side
    11,012.23x = 119,866,899.58
  5. Step 5: Solve for x
    x = 119,866,899.58/11,012.23
  6. Step 6: Final answer
    x = 10,884.89

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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.