Home / 14,040.30-19,379.34-8,072.63

Finding the Fourth Proportional to 14,040.30, 19,379.34 and 8,072.63

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Solution

The fourth proportional to 14,040.30, 19,379.34 and 8,072.63 is: 11,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.30 : 19,379.34 = 8,072.63 : x
  2. Step 2: Convert to fraction form
    14,040.30/19,379.34 = 8,072.63/x
  3. Step 3: Cross multiply
    14,040.30x = 19,379.34 × 8,072.63
  4. Step 4: Simplify right side
    14,040.30x = 156,442,144.57
  5. Step 5: Solve for x
    x = 156,442,144.57/14,040.30
  6. Step 6: Final answer
    x = 11,142.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.