Home / 13,012.46-19,511.86-6,757.18

Finding the Fourth Proportional to 13,012.46, 19,511.86 and 6,757.18

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Solution

The fourth proportional to 13,012.46, 19,511.86 and 6,757.18 is: 10,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.46 : 19,511.86 = 6,757.18 : x
  2. Step 2: Convert to fraction form
    13,012.46/19,511.86 = 6,757.18/x
  3. Step 3: Cross multiply
    13,012.46x = 19,511.86 × 6,757.18
  4. Step 4: Simplify right side
    13,012.46x = 131,845,150.15
  5. Step 5: Solve for x
    x = 131,845,150.15/13,012.46
  6. Step 6: Final answer
    x = 10,132.22

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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.