Home / 14,285.30-21,425.52-3,894.62

Finding the Fourth Proportional to 14,285.30, 21,425.52 and 3,894.62

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Solution

The fourth proportional to 14,285.30, 21,425.52 and 3,894.62 is: 5,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.30 : 21,425.52 = 3,894.62 : x
  2. Step 2: Convert to fraction form
    14,285.30/21,425.52 = 3,894.62/x
  3. Step 3: Cross multiply
    14,285.30x = 21,425.52 × 3,894.62
  4. Step 4: Simplify right side
    14,285.30x = 83,444,258.70
  5. Step 5: Solve for x
    x = 83,444,258.70/14,285.30
  6. Step 6: Final answer
    x = 5,841.27

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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.