Home / 11,234.48-15,517.32-7,709.36

Finding the Fourth Proportional to 11,234.48, 15,517.32 and 7,709.36

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Solution

The fourth proportional to 11,234.48, 15,517.32 and 7,709.36 is: 10,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.48 : 15,517.32 = 7,709.36 : x
  2. Step 2: Convert to fraction form
    11,234.48/15,517.32 = 7,709.36/x
  3. Step 3: Cross multiply
    11,234.48x = 15,517.32 × 7,709.36
  4. Step 4: Simplify right side
    11,234.48x = 119,628,606.12
  5. Step 5: Solve for x
    x = 119,628,606.12/11,234.48
  6. Step 6: Final answer
    x = 10,648.34

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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.