Home / 18,132.92-27,210.96-7,744.64

Finding the Fourth Proportional to 18,132.92, 27,210.96 and 7,744.64

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Solution

The fourth proportional to 18,132.92, 27,210.96 and 7,744.64 is: 11,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.92 : 27,210.96 = 7,744.64 : x
  2. Step 2: Convert to fraction form
    18,132.92/27,210.96 = 7,744.64/x
  3. Step 3: Cross multiply
    18,132.92x = 27,210.96 × 7,744.64
  4. Step 4: Simplify right side
    18,132.92x = 210,739,089.25
  5. Step 5: Solve for x
    x = 210,739,089.25/18,132.92
  6. Step 6: Final answer
    x = 11,621.91

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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.