Home / 19,304.50-28,956.75-5,453.86

Finding the Fourth Proportional to 19,304.50, 28,956.75 and 5,453.86

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Solution

The fourth proportional to 19,304.50, 28,956.75 and 5,453.86 is: 8,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.50 : 28,956.75 = 5,453.86 : x
  2. Step 2: Convert to fraction form
    19,304.50/28,956.75 = 5,453.86/x
  3. Step 3: Cross multiply
    19,304.50x = 28,956.75 × 5,453.86
  4. Step 4: Simplify right side
    19,304.50x = 157,926,060.56
  5. Step 5: Solve for x
    x = 157,926,060.56/19,304.50
  6. Step 6: Final answer
    x = 8,180.79

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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.