Home / 11,127.36-15,355.38-6,650.07

Finding the Fourth Proportional to 11,127.36, 15,355.38 and 6,650.07

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Solution

The fourth proportional to 11,127.36, 15,355.38 and 6,650.07 is: 9,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.36 : 15,355.38 = 6,650.07 : x
  2. Step 2: Convert to fraction form
    11,127.36/15,355.38 = 6,650.07/x
  3. Step 3: Cross multiply
    11,127.36x = 15,355.38 × 6,650.07
  4. Step 4: Simplify right side
    11,127.36x = 102,114,351.88
  5. Step 5: Solve for x
    x = 102,114,351.88/11,127.36
  6. Step 6: Final answer
    x = 9,176.87

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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.