Home / 12,966.87-19,450.96-6,309.48

Finding the Fourth Proportional to 12,966.87, 19,450.96 and 6,309.48

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Solution

The fourth proportional to 12,966.87, 19,450.96 and 6,309.48 is: 9,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.87 : 19,450.96 = 6,309.48 : x
  2. Step 2: Convert to fraction form
    12,966.87/19,450.96 = 6,309.48/x
  3. Step 3: Cross multiply
    12,966.87x = 19,450.96 × 6,309.48
  4. Step 4: Simplify right side
    12,966.87x = 122,725,443.10
  5. Step 5: Solve for x
    x = 122,725,443.10/12,966.87
  6. Step 6: Final answer
    x = 9,464.54

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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.