Home / 12,839.63-19,227.98-10,604.79

Finding the Fourth Proportional to 12,839.63, 19,227.98 and 10,604.79

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Solution

The fourth proportional to 12,839.63, 19,227.98 and 10,604.79 is: 15,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.63 : 19,227.98 = 10,604.79 : x
  2. Step 2: Convert to fraction form
    12,839.63/19,227.98 = 10,604.79/x
  3. Step 3: Cross multiply
    12,839.63x = 19,227.98 × 10,604.79
  4. Step 4: Simplify right side
    12,839.63x = 203,908,716.54
  5. Step 5: Solve for x
    x = 203,908,716.54/12,839.63
  6. Step 6: Final answer
    x = 15,881.20

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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.