Home / 10,066.50-15,102.96-4,221.54

Finding the Fourth Proportional to 10,066.50, 15,102.96 and 4,221.54

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Solution

The fourth proportional to 10,066.50, 15,102.96 and 4,221.54 is: 6,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.50 : 15,102.96 = 4,221.54 : x
  2. Step 2: Convert to fraction form
    10,066.50/15,102.96 = 4,221.54/x
  3. Step 3: Cross multiply
    10,066.50x = 15,102.96 × 4,221.54
  4. Step 4: Simplify right side
    10,066.50x = 63,757,749.76
  5. Step 5: Solve for x
    x = 63,757,749.76/10,066.50
  6. Step 6: Final answer
    x = 6,333.66

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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.