Home / 11,685.42-17,538.66-8,525.70

Finding the Fourth Proportional to 11,685.42, 17,538.66 and 8,525.70

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Solution

The fourth proportional to 11,685.42, 17,538.66 and 8,525.70 is: 12,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.42 : 17,538.66 = 8,525.70 : x
  2. Step 2: Convert to fraction form
    11,685.42/17,538.66 = 8,525.70/x
  3. Step 3: Cross multiply
    11,685.42x = 17,538.66 × 8,525.70
  4. Step 4: Simplify right side
    11,685.42x = 149,529,353.56
  5. Step 5: Solve for x
    x = 149,529,353.56/11,685.42
  6. Step 6: Final answer
    x = 12,796.23

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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.