Home / 11,004.24-15,186.24-7,867.92

Finding the Fourth Proportional to 11,004.24, 15,186.24 and 7,867.92

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Solution

The fourth proportional to 11,004.24, 15,186.24 and 7,867.92 is: 10,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.24 : 15,186.24 = 7,867.92 : x
  2. Step 2: Convert to fraction form
    11,004.24/15,186.24 = 7,867.92/x
  3. Step 3: Cross multiply
    11,004.24x = 15,186.24 × 7,867.92
  4. Step 4: Simplify right side
    11,004.24x = 119,484,121.42
  5. Step 5: Solve for x
    x = 119,484,121.42/11,004.24
  6. Step 6: Final answer
    x = 10,858.01

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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.