Home / 13,262.31-19,893.33-3,401.55

Finding the Fourth Proportional to 13,262.31, 19,893.33 and 3,401.55

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Solution

The fourth proportional to 13,262.31, 19,893.33 and 3,401.55 is: 5,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.31 : 19,893.33 = 3,401.55 : x
  2. Step 2: Convert to fraction form
    13,262.31/19,893.33 = 3,401.55/x
  3. Step 3: Cross multiply
    13,262.31x = 19,893.33 × 3,401.55
  4. Step 4: Simplify right side
    13,262.31x = 67,668,156.66
  5. Step 5: Solve for x
    x = 67,668,156.66/13,262.31
  6. Step 6: Final answer
    x = 5,102.29

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1.5x scale

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.