Home / 11,000.24-15,180.72-7,863.92

Finding the Fourth Proportional to 11,000.24, 15,180.72 and 7,863.92

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Solution

The fourth proportional to 11,000.24, 15,180.72 and 7,863.92 is: 10,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.24 : 15,180.72 = 7,863.92 : x
  2. Step 2: Convert to fraction form
    11,000.24/15,180.72 = 7,863.92/x
  3. Step 3: Cross multiply
    11,000.24x = 15,180.72 × 7,863.92
  4. Step 4: Simplify right side
    11,000.24x = 119,379,967.62
  5. Step 5: Solve for x
    x = 119,379,967.62/11,000.24
  6. Step 6: Final answer
    x = 10,852.49

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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.