Home / 20,232.45-30,350.88-7,763.06

Finding the Fourth Proportional to 20,232.45, 30,350.88 and 7,763.06

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Solution

The fourth proportional to 20,232.45, 30,350.88 and 7,763.06 is: 11,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.45 : 30,350.88 = 7,763.06 : x
  2. Step 2: Convert to fraction form
    20,232.45/30,350.88 = 7,763.06/x
  3. Step 3: Cross multiply
    20,232.45x = 30,350.88 × 7,763.06
  4. Step 4: Simplify right side
    20,232.45x = 235,615,778.37
  5. Step 5: Solve for x
    x = 235,615,778.37/20,232.45
  6. Step 6: Final answer
    x = 11,645.44

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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.