Home / 18,769.42-28,154.12-4,729.52

Finding the Fourth Proportional to 18,769.42, 28,154.12 and 4,729.52

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Solution

The fourth proportional to 18,769.42, 28,154.12 and 4,729.52 is: 7,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.42 : 28,154.12 = 4,729.52 : x
  2. Step 2: Convert to fraction form
    18,769.42/28,154.12 = 4,729.52/x
  3. Step 3: Cross multiply
    18,769.42x = 28,154.12 × 4,729.52
  4. Step 4: Simplify right side
    18,769.42x = 133,155,520.36
  5. Step 5: Solve for x
    x = 133,155,520.36/18,769.42
  6. Step 6: Final answer
    x = 7,094.28

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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.