Home / 14,285.28-21,377.52-8,736.96

Finding the Fourth Proportional to 14,285.28, 21,377.52 and 8,736.96

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Solution

The fourth proportional to 14,285.28, 21,377.52 and 8,736.96 is: 13,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.28 : 21,377.52 = 8,736.96 : x
  2. Step 2: Convert to fraction form
    14,285.28/21,377.52 = 8,736.96/x
  3. Step 3: Cross multiply
    14,285.28x = 21,377.52 × 8,736.96
  4. Step 4: Simplify right side
    14,285.28x = 186,774,537.14
  5. Step 5: Solve for x
    x = 186,774,537.14/14,285.28
  6. Step 6: Final answer
    x = 13,074.62

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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.