Home / 13,976.41-20,966.74-4,617.42

Finding the Fourth Proportional to 13,976.41, 20,966.74 and 4,617.42

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Solution

The fourth proportional to 13,976.41, 20,966.74 and 4,617.42 is: 6,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.41 : 20,966.74 = 4,617.42 : x
  2. Step 2: Convert to fraction form
    13,976.41/20,966.74 = 4,617.42/x
  3. Step 3: Cross multiply
    13,976.41x = 20,966.74 × 4,617.42
  4. Step 4: Simplify right side
    13,976.41x = 96,812,139.78
  5. Step 5: Solve for x
    x = 96,812,139.78/13,976.41
  6. Step 6: Final answer
    x = 6,926.82

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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.