Home / 12,956.56-19,436.67-6,382.81

Finding the Fourth Proportional to 12,956.56, 19,436.67 and 6,382.81

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Solution

The fourth proportional to 12,956.56, 19,436.67 and 6,382.81 is: 9,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.56 : 19,436.67 = 6,382.81 : x
  2. Step 2: Convert to fraction form
    12,956.56/19,436.67 = 6,382.81/x
  3. Step 3: Cross multiply
    12,956.56x = 19,436.67 × 6,382.81
  4. Step 4: Simplify right side
    12,956.56x = 124,060,571.64
  5. Step 5: Solve for x
    x = 124,060,571.64/12,956.56
  6. Step 6: Final answer
    x = 9,575.12

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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.