Home / 12,974.04-19,449.84-11,012.48

Finding the Fourth Proportional to 12,974.04, 19,449.84 and 11,012.48

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Solution

The fourth proportional to 12,974.04, 19,449.84 and 11,012.48 is: 16,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.04 : 19,449.84 = 11,012.48 : x
  2. Step 2: Convert to fraction form
    12,974.04/19,449.84 = 11,012.48/x
  3. Step 3: Cross multiply
    12,974.04x = 19,449.84 × 11,012.48
  4. Step 4: Simplify right side
    12,974.04x = 214,190,974.00
  5. Step 5: Solve for x
    x = 214,190,974.00/12,974.04
  6. Step 6: Final answer
    x = 16,509.20

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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.