Home / 17,054.28-25,586.28-12,378.96

Finding the Fourth Proportional to 17,054.28, 25,586.28 and 12,378.96

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Solution

The fourth proportional to 17,054.28, 25,586.28 and 12,378.96 is: 18,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,054.28 : 25,586.28 = 12,378.96 : x
  2. Step 2: Convert to fraction form
    17,054.28/25,586.28 = 12,378.96/x
  3. Step 3: Cross multiply
    17,054.28x = 25,586.28 × 12,378.96
  4. Step 4: Simplify right side
    17,054.28x = 316,731,536.67
  5. Step 5: Solve for x
    x = 316,731,536.67/17,054.28
  6. Step 6: Final answer
    x = 18,571.97

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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.