Home / 11,430.72-17,135.30-4,030.44

Finding the Fourth Proportional to 11,430.72, 17,135.30 and 4,030.44

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Solution

The fourth proportional to 11,430.72, 17,135.30 and 4,030.44 is: 6,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.72 : 17,135.30 = 4,030.44 : x
  2. Step 2: Convert to fraction form
    11,430.72/17,135.30 = 4,030.44/x
  3. Step 3: Cross multiply
    11,430.72x = 17,135.30 × 4,030.44
  4. Step 4: Simplify right side
    11,430.72x = 69,062,778.38
  5. Step 5: Solve for x
    x = 69,062,778.38/11,430.72
  6. Step 6: Final answer
    x = 6,041.86

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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.