Home / 13,010.76-19,517.22-4,245.48

Finding the Fourth Proportional to 13,010.76, 19,517.22 and 4,245.48

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Solution

The fourth proportional to 13,010.76, 19,517.22 and 4,245.48 is: 6,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.76 : 19,517.22 = 4,245.48 : x
  2. Step 2: Convert to fraction form
    13,010.76/19,517.22 = 4,245.48/x
  3. Step 3: Cross multiply
    13,010.76x = 19,517.22 × 4,245.48
  4. Step 4: Simplify right side
    13,010.76x = 82,859,967.17
  5. Step 5: Solve for x
    x = 82,859,967.17/13,010.76
  6. Step 6: Final answer
    x = 6,368.57

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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.