Home / 14,124.38-21,189.60-4,764.62

Finding the Fourth Proportional to 14,124.38, 21,189.60 and 4,764.62

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Solution

The fourth proportional to 14,124.38, 21,189.60 and 4,764.62 is: 7,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.38 : 21,189.60 = 4,764.62 : x
  2. Step 2: Convert to fraction form
    14,124.38/21,189.60 = 4,764.62/x
  3. Step 3: Cross multiply
    14,124.38x = 21,189.60 × 4,764.62
  4. Step 4: Simplify right side
    14,124.38x = 100,960,444.93
  5. Step 5: Solve for x
    x = 100,960,444.93/14,124.38
  6. Step 6: Final answer
    x = 7,147.96

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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.