Home / 11,108.42-16,665.36-7,827.92

Finding the Fourth Proportional to 11,108.42, 16,665.36 and 7,827.92

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Solution

The fourth proportional to 11,108.42, 16,665.36 and 7,827.92 is: 11,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.42 : 16,665.36 = 7,827.92 : x
  2. Step 2: Convert to fraction form
    11,108.42/16,665.36 = 7,827.92/x
  3. Step 3: Cross multiply
    11,108.42x = 16,665.36 × 7,827.92
  4. Step 4: Simplify right side
    11,108.42x = 130,455,104.85
  5. Step 5: Solve for x
    x = 130,455,104.85/11,108.42
  6. Step 6: Final answer
    x = 11,743.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.