Home / 13,010.89-19,517.02-4,126.92

Finding the Fourth Proportional to 13,010.89, 19,517.02 and 4,126.92

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Solution

The fourth proportional to 13,010.89, 19,517.02 and 4,126.92 is: 6,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.89 : 19,517.02 = 4,126.92 : x
  2. Step 2: Convert to fraction form
    13,010.89/19,517.02 = 4,126.92/x
  3. Step 3: Cross multiply
    13,010.89x = 19,517.02 × 4,126.92
  4. Step 4: Simplify right side
    13,010.89x = 80,545,180.18
  5. Step 5: Solve for x
    x = 80,545,180.18/13,010.89
  6. Step 6: Final answer
    x = 6,190.60

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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.