Home / 20,417.06-30,611.11-7,926.56

Finding the Fourth Proportional to 20,417.06, 30,611.11 and 7,926.56

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Solution

The fourth proportional to 20,417.06, 30,611.11 and 7,926.56 is: 11,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.06 : 30,611.11 = 7,926.56 : x
  2. Step 2: Convert to fraction form
    20,417.06/30,611.11 = 7,926.56/x
  3. Step 3: Cross multiply
    20,417.06x = 30,611.11 × 7,926.56
  4. Step 4: Simplify right side
    20,417.06x = 242,640,607.39
  5. Step 5: Solve for x
    x = 242,640,607.39/20,417.06
  6. Step 6: Final answer
    x = 11,884.21

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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.