Home / 18,262.91-27,377.58-7,727.19

Finding the Fourth Proportional to 18,262.91, 27,377.58 and 7,727.19

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Solution

The fourth proportional to 18,262.91, 27,377.58 and 7,727.19 is: 11,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.91 : 27,377.58 = 7,727.19 : x
  2. Step 2: Convert to fraction form
    18,262.91/27,377.58 = 7,727.19/x
  3. Step 3: Cross multiply
    18,262.91x = 27,377.58 × 7,727.19
  4. Step 4: Simplify right side
    18,262.91x = 211,551,762.40
  5. Step 5: Solve for x
    x = 211,551,762.40/18,262.91
  6. Step 6: Final answer
    x = 11,583.68

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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.