Home / 11,244.73-15,511.50-7,892.56

Finding the Fourth Proportional to 11,244.73, 15,511.50 and 7,892.56

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Solution

The fourth proportional to 11,244.73, 15,511.50 and 7,892.56 is: 10,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.73 : 15,511.50 = 7,892.56 : x
  2. Step 2: Convert to fraction form
    11,244.73/15,511.50 = 7,892.56/x
  3. Step 3: Cross multiply
    11,244.73x = 15,511.50 × 7,892.56
  4. Step 4: Simplify right side
    11,244.73x = 122,425,444.44
  5. Step 5: Solve for x
    x = 122,425,444.44/11,244.73
  6. Step 6: Final answer
    x = 10,887.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.