Home / 11,177.79-16,760.89-3,779.61

Finding the Fourth Proportional to 11,177.79, 16,760.89 and 3,779.61

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Solution

The fourth proportional to 11,177.79, 16,760.89 and 3,779.61 is: 5,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.79 : 16,760.89 = 3,779.61 : x
  2. Step 2: Convert to fraction form
    11,177.79/16,760.89 = 3,779.61/x
  3. Step 3: Cross multiply
    11,177.79x = 16,760.89 × 3,779.61
  4. Step 4: Simplify right side
    11,177.79x = 63,349,627.45
  5. Step 5: Solve for x
    x = 63,349,627.45/11,177.79
  6. Step 6: Final answer
    x = 5,667.46

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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.