Home / 13,110.34-19,658.22-4,340.48

Finding the Fourth Proportional to 13,110.34, 19,658.22 and 4,340.48

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Solution

The fourth proportional to 13,110.34, 19,658.22 and 4,340.48 is: 6,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.34 : 19,658.22 = 4,340.48 : x
  2. Step 2: Convert to fraction form
    13,110.34/19,658.22 = 4,340.48/x
  3. Step 3: Cross multiply
    13,110.34x = 19,658.22 × 4,340.48
  4. Step 4: Simplify right side
    13,110.34x = 85,326,110.75
  5. Step 5: Solve for x
    x = 85,326,110.75/13,110.34
  6. Step 6: Final answer
    x = 6,508.31

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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.