Home / 12,954.06-19,431.29-4,069.10

Finding the Fourth Proportional to 12,954.06, 19,431.29 and 4,069.10

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Solution

The fourth proportional to 12,954.06, 19,431.29 and 4,069.10 is: 6,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.06 : 19,431.29 = 4,069.10 : x
  2. Step 2: Convert to fraction form
    12,954.06/19,431.29 = 4,069.10/x
  3. Step 3: Cross multiply
    12,954.06x = 19,431.29 × 4,069.10
  4. Step 4: Simplify right side
    12,954.06x = 79,067,920.89
  5. Step 5: Solve for x
    x = 79,067,920.89/12,954.06
  6. Step 6: Final answer
    x = 6,103.72

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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.