Home / 11,490.19-17,236.34-4,470.73

Finding the Fourth Proportional to 11,490.19, 17,236.34 and 4,470.73

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Solution

The fourth proportional to 11,490.19, 17,236.34 and 4,470.73 is: 6,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.19 : 17,236.34 = 4,470.73 : x
  2. Step 2: Convert to fraction form
    11,490.19/17,236.34 = 4,470.73/x
  3. Step 3: Cross multiply
    11,490.19x = 17,236.34 × 4,470.73
  4. Step 4: Simplify right side
    11,490.19x = 77,059,071.51
  5. Step 5: Solve for x
    x = 77,059,071.51/11,490.19
  6. Step 6: Final answer
    x = 6,706.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.