Home / 14,680.85-20,260.58-8,307.43

Finding the Fourth Proportional to 14,680.85, 20,260.58 and 8,307.43

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Solution

The fourth proportional to 14,680.85, 20,260.58 and 8,307.43 is: 11,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.85 : 20,260.58 = 8,307.43 : x
  2. Step 2: Convert to fraction form
    14,680.85/20,260.58 = 8,307.43/x
  3. Step 3: Cross multiply
    14,680.85x = 20,260.58 × 8,307.43
  4. Step 4: Simplify right side
    14,680.85x = 168,313,257.92
  5. Step 5: Solve for x
    x = 168,313,257.92/14,680.85
  6. Step 6: Final answer
    x = 11,464.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.