Home / 11,995.70-18,001.58-4,204.51

Finding the Fourth Proportional to 11,995.70, 18,001.58 and 4,204.51

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Solution

The fourth proportional to 11,995.70, 18,001.58 and 4,204.51 is: 6,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.70 : 18,001.58 = 4,204.51 : x
  2. Step 2: Convert to fraction form
    11,995.70/18,001.58 = 4,204.51/x
  3. Step 3: Cross multiply
    11,995.70x = 18,001.58 × 4,204.51
  4. Step 4: Simplify right side
    11,995.70x = 75,687,757.10
  5. Step 5: Solve for x
    x = 75,687,757.10/11,995.70
  6. Step 6: Final answer
    x = 6,309.58

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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.