Home / 14,285.38-19,712.73-7,996.90

Finding the Fourth Proportional to 14,285.38, 19,712.73 and 7,996.90

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Solution

The fourth proportional to 14,285.38, 19,712.73 and 7,996.90 is: 11,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.38 : 19,712.73 = 7,996.90 : x
  2. Step 2: Convert to fraction form
    14,285.38/19,712.73 = 7,996.90/x
  3. Step 3: Cross multiply
    14,285.38x = 19,712.73 × 7,996.90
  4. Step 4: Simplify right side
    14,285.38x = 157,640,730.54
  5. Step 5: Solve for x
    x = 157,640,730.54/14,285.38
  6. Step 6: Final answer
    x = 11,035.11

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

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