Home / 10,001.50-15,004.86-3,427.66

Finding the Fourth Proportional to 10,001.50, 15,004.86 and 3,427.66

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Solution

The fourth proportional to 10,001.50, 15,004.86 and 3,427.66 is: 5,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.50 : 15,004.86 = 3,427.66 : x
  2. Step 2: Convert to fraction form
    10,001.50/15,004.86 = 3,427.66/x
  3. Step 3: Cross multiply
    10,001.50x = 15,004.86 × 3,427.66
  4. Step 4: Simplify right side
    10,001.50x = 51,431,558.43
  5. Step 5: Solve for x
    x = 51,431,558.43/10,001.50
  6. Step 6: Final answer
    x = 5,142.38

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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.