Home / 14,251.41-21,380.09-4,390.47

Finding the Fourth Proportional to 14,251.41, 21,380.09 and 4,390.47

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Solution

The fourth proportional to 14,251.41, 21,380.09 and 4,390.47 is: 6,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.41 : 21,380.09 = 4,390.47 : x
  2. Step 2: Convert to fraction form
    14,251.41/21,380.09 = 4,390.47/x
  3. Step 3: Cross multiply
    14,251.41x = 21,380.09 × 4,390.47
  4. Step 4: Simplify right side
    14,251.41x = 93,868,621.79
  5. Step 5: Solve for x
    x = 93,868,621.79/14,251.41
  6. Step 6: Final answer
    x = 6,586.62

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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.