Home / 12,711.12-19,049.40-9,436.56

Finding the Fourth Proportional to 12,711.12, 19,049.40 and 9,436.56

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Solution

The fourth proportional to 12,711.12, 19,049.40 and 9,436.56 is: 14,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.12 : 19,049.40 = 9,436.56 : x
  2. Step 2: Convert to fraction form
    12,711.12/19,049.40 = 9,436.56/x
  3. Step 3: Cross multiply
    12,711.12x = 19,049.40 × 9,436.56
  4. Step 4: Simplify right side
    12,711.12x = 179,760,806.06
  5. Step 5: Solve for x
    x = 179,760,806.06/12,711.12
  6. Step 6: Final answer
    x = 14,142.01

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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.