Home / 12,754.82-19,134.20-6,511.45

Finding the Fourth Proportional to 12,754.82, 19,134.20 and 6,511.45

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Solution

The fourth proportional to 12,754.82, 19,134.20 and 6,511.45 is: 9,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.82 : 19,134.20 = 6,511.45 : x
  2. Step 2: Convert to fraction form
    12,754.82/19,134.20 = 6,511.45/x
  3. Step 3: Cross multiply
    12,754.82x = 19,134.20 × 6,511.45
  4. Step 4: Simplify right side
    12,754.82x = 124,591,386.59
  5. Step 5: Solve for x
    x = 124,591,386.59/12,754.82
  6. Step 6: Final answer
    x = 9,768.18

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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.