Home / 43,944.66-65,916.36-10,665

Finding the Fourth Proportional to 43,944.66, 65,916.36 and 10,665

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Solution

The fourth proportional to 43,944.66, 65,916.36 and 10,665 is: 15,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,944.66 : 65,916.36 = 10,665 : x
  2. Step 2: Convert to fraction form
    43,944.66/65,916.36 = 10,665/x
  3. Step 3: Cross multiply
    43,944.66x = 65,916.36 × 10,665
  4. Step 4: Simplify right side
    43,944.66x = 702,997,979.40
  5. Step 5: Solve for x
    x = 702,997,979.40/43,944.66
  6. Step 6: Final answer
    x = 15,997.35

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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.