Home / 18,212.93-27,319.44-5,065.31

Finding the Fourth Proportional to 18,212.93, 27,319.44 and 5,065.31

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Solution

The fourth proportional to 18,212.93, 27,319.44 and 5,065.31 is: 7,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.93 : 27,319.44 = 5,065.31 : x
  2. Step 2: Convert to fraction form
    18,212.93/27,319.44 = 5,065.31/x
  3. Step 3: Cross multiply
    18,212.93x = 27,319.44 × 5,065.31
  4. Step 4: Simplify right side
    18,212.93x = 138,381,296.03
  5. Step 5: Solve for x
    x = 138,381,296.03/18,212.93
  6. Step 6: Final answer
    x = 7,597.97

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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.