Home / 12,718.38-19,077.17-3,950.94

Finding the Fourth Proportional to 12,718.38, 19,077.17 and 3,950.94

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Solution

The fourth proportional to 12,718.38, 19,077.17 and 3,950.94 is: 5,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.38 : 19,077.17 = 3,950.94 : x
  2. Step 2: Convert to fraction form
    12,718.38/19,077.17 = 3,950.94/x
  3. Step 3: Cross multiply
    12,718.38x = 19,077.17 × 3,950.94
  4. Step 4: Simplify right side
    12,718.38x = 75,372,734.29
  5. Step 5: Solve for x
    x = 75,372,734.29/12,718.38
  6. Step 6: Final answer
    x = 5,926.28

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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.