Home / 11,996.61-18,001.74-5,756.06

Finding the Fourth Proportional to 11,996.61, 18,001.74 and 5,756.06

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Solution

The fourth proportional to 11,996.61, 18,001.74 and 5,756.06 is: 8,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.61 : 18,001.74 = 5,756.06 : x
  2. Step 2: Convert to fraction form
    11,996.61/18,001.74 = 5,756.06/x
  3. Step 3: Cross multiply
    11,996.61x = 18,001.74 × 5,756.06
  4. Step 4: Simplify right side
    11,996.61x = 103,619,162.13
  5. Step 5: Solve for x
    x = 103,619,162.13/11,996.61
  6. Step 6: Final answer
    x = 8,637.37

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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.