Home / 12,674.93-19,013.50-3,314.91

Finding the Fourth Proportional to 12,674.93, 19,013.50 and 3,314.91

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Solution

The fourth proportional to 12,674.93, 19,013.50 and 3,314.91 is: 4,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.93 : 19,013.50 = 3,314.91 : x
  2. Step 2: Convert to fraction form
    12,674.93/19,013.50 = 3,314.91/x
  3. Step 3: Cross multiply
    12,674.93x = 19,013.50 × 3,314.91
  4. Step 4: Simplify right side
    12,674.93x = 63,028,049.57
  5. Step 5: Solve for x
    x = 63,028,049.57/12,674.93
  6. Step 6: Final answer
    x = 4,972.66

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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.