Home / 11,632.15-17,441.59-7,938.85

Finding the Fourth Proportional to 11,632.15, 17,441.59 and 7,938.85

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Solution

The fourth proportional to 11,632.15, 17,441.59 and 7,938.85 is: 11,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,632.15 : 17,441.59 = 7,938.85 : x
  2. Step 2: Convert to fraction form
    11,632.15/17,441.59 = 7,938.85/x
  3. Step 3: Cross multiply
    11,632.15x = 17,441.59 × 7,938.85
  4. Step 4: Simplify right side
    11,632.15x = 138,466,039.87
  5. Step 5: Solve for x
    x = 138,466,039.87/11,632.15
  6. Step 6: Final answer
    x = 11,903.74

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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.