Home / 11,150.70-16,726.05-7,440.90

Finding the Fourth Proportional to 11,150.70, 16,726.05 and 7,440.90

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Solution

The fourth proportional to 11,150.70, 16,726.05 and 7,440.90 is: 11,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.70 : 16,726.05 = 7,440.90 : x
  2. Step 2: Convert to fraction form
    11,150.70/16,726.05 = 7,440.90/x
  3. Step 3: Cross multiply
    11,150.70x = 16,726.05 × 7,440.90
  4. Step 4: Simplify right side
    11,150.70x = 124,456,865.45
  5. Step 5: Solve for x
    x = 124,456,865.45/11,150.70
  6. Step 6: Final answer
    x = 11,161.35

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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.