Home / 12,713.89-19,072.07-3,946.45

Finding the Fourth Proportional to 12,713.89, 19,072.07 and 3,946.45

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Solution

The fourth proportional to 12,713.89, 19,072.07 and 3,946.45 is: 5,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713.89 : 19,072.07 = 3,946.45 : x
  2. Step 2: Convert to fraction form
    12,713.89/19,072.07 = 3,946.45/x
  3. Step 3: Cross multiply
    12,713.89x = 19,072.07 × 3,946.45
  4. Step 4: Simplify right side
    12,713.89x = 75,266,950.92
  5. Step 5: Solve for x
    x = 75,266,950.92/12,713.89
  6. Step 6: Final answer
    x = 5,920.06

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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.