Home / 43,108.13-64,662.20-11,943.38

Finding the Fourth Proportional to 43,108.13, 64,662.20 and 11,943.38

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Solution

The fourth proportional to 43,108.13, 64,662.20 and 11,943.38 is: 17,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.13 : 64,662.20 = 11,943.38 : x
  2. Step 2: Convert to fraction form
    43,108.13/64,662.20 = 11,943.38/x
  3. Step 3: Cross multiply
    43,108.13x = 64,662.20 × 11,943.38
  4. Step 4: Simplify right side
    43,108.13x = 772,284,843.21
  5. Step 5: Solve for x
    x = 772,284,843.21/43,108.13
  6. Step 6: Final answer
    x = 17,915.06

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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.