Home / 19,321.38-26,663.94-11,363.94

Finding the Fourth Proportional to 19,321.38, 26,663.94 and 11,363.94

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Solution

The fourth proportional to 19,321.38, 26,663.94 and 11,363.94 is: 15,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.38 : 26,663.94 = 11,363.94 : x
  2. Step 2: Convert to fraction form
    19,321.38/26,663.94 = 11,363.94/x
  3. Step 3: Cross multiply
    19,321.38x = 26,663.94 × 11,363.94
  4. Step 4: Simplify right side
    19,321.38x = 303,007,414.32
  5. Step 5: Solve for x
    x = 303,007,414.32/19,321.38
  6. Step 6: Final answer
    x = 15,682.49

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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.