Home / 18,536.67-27,807.75-5,387.34

Finding the Fourth Proportional to 18,536.67, 27,807.75 and 5,387.34

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Solution

The fourth proportional to 18,536.67, 27,807.75 and 5,387.34 is: 8,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.67 : 27,807.75 = 5,387.34 : x
  2. Step 2: Convert to fraction form
    18,536.67/27,807.75 = 5,387.34/x
  3. Step 3: Cross multiply
    18,536.67x = 27,807.75 × 5,387.34
  4. Step 4: Simplify right side
    18,536.67x = 149,809,803.89
  5. Step 5: Solve for x
    x = 149,809,803.89/18,536.67
  6. Step 6: Final answer
    x = 8,081.81

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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.