Home / 14,062.78-21,099.99-6,161.21

Finding the Fourth Proportional to 14,062.78, 21,099.99 and 6,161.21

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Solution

The fourth proportional to 14,062.78, 21,099.99 and 6,161.21 is: 9,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.78 : 21,099.99 = 6,161.21 : x
  2. Step 2: Convert to fraction form
    14,062.78/21,099.99 = 6,161.21/x
  3. Step 3: Cross multiply
    14,062.78x = 21,099.99 × 6,161.21
  4. Step 4: Simplify right side
    14,062.78x = 130,001,469.39
  5. Step 5: Solve for x
    x = 130,001,469.39/14,062.78
  6. Step 6: Final answer
    x = 9,244.36

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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.