Home / 11,309.88-15,607.67-6,832.81

Finding the Fourth Proportional to 11,309.88, 15,607.67 and 6,832.81

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Solution

The fourth proportional to 11,309.88, 15,607.67 and 6,832.81 is: 9,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.88 : 15,607.67 = 6,832.81 : x
  2. Step 2: Convert to fraction form
    11,309.88/15,607.67 = 6,832.81/x
  3. Step 3: Cross multiply
    11,309.88x = 15,607.67 × 6,832.81
  4. Step 4: Simplify right side
    11,309.88x = 106,644,243.65
  5. Step 5: Solve for x
    x = 106,644,243.65/11,309.88
  6. Step 6: Final answer
    x = 9,429.30

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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.