Home / 11,789.15-17,685.95-7,633.24

Finding the Fourth Proportional to 11,789.15, 17,685.95 and 7,633.24

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Solution

The fourth proportional to 11,789.15, 17,685.95 and 7,633.24 is: 11,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.15 : 17,685.95 = 7,633.24 : x
  2. Step 2: Convert to fraction form
    11,789.15/17,685.95 = 7,633.24/x
  3. Step 3: Cross multiply
    11,789.15x = 17,685.95 × 7,633.24
  4. Step 4: Simplify right side
    11,789.15x = 135,001,018.60
  5. Step 5: Solve for x
    x = 135,001,018.60/11,789.15
  6. Step 6: Final answer
    x = 11,451.30

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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.