Home / 18,087.91-27,135.76-5,607.68

Finding the Fourth Proportional to 18,087.91, 27,135.76 and 5,607.68

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Solution

The fourth proportional to 18,087.91, 27,135.76 and 5,607.68 is: 8,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.91 : 27,135.76 = 5,607.68 : x
  2. Step 2: Convert to fraction form
    18,087.91/27,135.76 = 5,607.68/x
  3. Step 3: Cross multiply
    18,087.91x = 27,135.76 × 5,607.68
  4. Step 4: Simplify right side
    18,087.91x = 152,168,672.09
  5. Step 5: Solve for x
    x = 152,168,672.09/18,087.91
  6. Step 6: Final answer
    x = 8,412.73

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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.