Home / 19,305.28-28,951.74-6,154.57

Finding the Fourth Proportional to 19,305.28, 28,951.74 and 6,154.57

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Solution

The fourth proportional to 19,305.28, 28,951.74 and 6,154.57 is: 9,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.28 : 28,951.74 = 6,154.57 : x
  2. Step 2: Convert to fraction form
    19,305.28/28,951.74 = 6,154.57/x
  3. Step 3: Cross multiply
    19,305.28x = 28,951.74 × 6,154.57
  4. Step 4: Simplify right side
    19,305.28x = 178,185,510.45
  5. Step 5: Solve for x
    x = 178,185,510.45/19,305.28
  6. Step 6: Final answer
    x = 9,229.88

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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.