Home / 12,518.06-18,764.73-6,974.01

Finding the Fourth Proportional to 12,518.06, 18,764.73 and 6,974.01

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Solution

The fourth proportional to 12,518.06, 18,764.73 and 6,974.01 is: 10,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.06 : 18,764.73 = 6,974.01 : x
  2. Step 2: Convert to fraction form
    12,518.06/18,764.73 = 6,974.01/x
  3. Step 3: Cross multiply
    12,518.06x = 18,764.73 × 6,974.01
  4. Step 4: Simplify right side
    12,518.06x = 130,865,414.67
  5. Step 5: Solve for x
    x = 130,865,414.67/12,518.06
  6. Step 6: Final answer
    x = 10,454.13

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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.