Home / 43,942.11-65,913.06-10,662.14

Finding the Fourth Proportional to 43,942.11, 65,913.06 and 10,662.14

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Solution

The fourth proportional to 43,942.11, 65,913.06 and 10,662.14 is: 15,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942.11 : 65,913.06 = 10,662.14 : x
  2. Step 2: Convert to fraction form
    43,942.11/65,913.06 = 10,662.14/x
  3. Step 3: Cross multiply
    43,942.11x = 65,913.06 × 10,662.14
  4. Step 4: Simplify right side
    43,942.11x = 702,774,418.34
  5. Step 5: Solve for x
    x = 702,774,418.34/43,942.11
  6. Step 6: Final answer
    x = 15,993.19

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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.