Home / 18,327.81-27,499.91-10,536.62

Finding the Fourth Proportional to 18,327.81, 27,499.91 and 10,536.62

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Solution

The fourth proportional to 18,327.81, 27,499.91 and 10,536.62 is: 15,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.81 : 27,499.91 = 10,536.62 : x
  2. Step 2: Convert to fraction form
    18,327.81/27,499.91 = 10,536.62/x
  3. Step 3: Cross multiply
    18,327.81x = 27,499.91 × 10,536.62
  4. Step 4: Simplify right side
    18,327.81x = 289,756,049.02
  5. Step 5: Solve for x
    x = 289,756,049.02/18,327.81
  6. Step 6: Final answer
    x = 15,809.64

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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.