Home / 18,769.22-28,153.26-4,729.22

Finding the Fourth Proportional to 18,769.22, 28,153.26 and 4,729.22

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Solution

The fourth proportional to 18,769.22, 28,153.26 and 4,729.22 is: 7,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.22 : 28,153.26 = 4,729.22 : x
  2. Step 2: Convert to fraction form
    18,769.22/28,153.26 = 4,729.22/x
  3. Step 3: Cross multiply
    18,769.22x = 28,153.26 × 4,729.22
  4. Step 4: Simplify right side
    18,769.22x = 133,142,960.26
  5. Step 5: Solve for x
    x = 133,142,960.26/18,769.22
  6. Step 6: Final answer
    x = 7,093.69

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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.