Home / 18,220.37-27,330.56-14,066.45

Finding the Fourth Proportional to 18,220.37, 27,330.56 and 14,066.45

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Solution

The fourth proportional to 18,220.37, 27,330.56 and 14,066.45 is: 21,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.37 : 27,330.56 = 14,066.45 : x
  2. Step 2: Convert to fraction form
    18,220.37/27,330.56 = 14,066.45/x
  3. Step 3: Cross multiply
    18,220.37x = 27,330.56 × 14,066.45
  4. Step 4: Simplify right side
    18,220.37x = 384,443,748.73
  5. Step 5: Solve for x
    x = 384,443,748.73/18,220.37
  6. Step 6: Final answer
    x = 21,099.67

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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.