Home / 43,126.75-64,690.13-11,962

Finding the Fourth Proportional to 43,126.75, 64,690.13 and 11,962

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Solution

The fourth proportional to 43,126.75, 64,690.13 and 11,962 is: 17,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.75 : 64,690.13 = 11,962 : x
  2. Step 2: Convert to fraction form
    43,126.75/64,690.13 = 11,962/x
  3. Step 3: Cross multiply
    43,126.75x = 64,690.13 × 11,962
  4. Step 4: Simplify right side
    43,126.75x = 773,823,335.06
  5. Step 5: Solve for x
    x = 773,823,335.06/43,126.75
  6. Step 6: Final answer
    x = 17,943.00

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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.