Home / 18,566.48-27,859.30-12,330.81

Finding the Fourth Proportional to 18,566.48, 27,859.30 and 12,330.81

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Solution

The fourth proportional to 18,566.48, 27,859.30 and 12,330.81 is: 18,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.48 : 27,859.30 = 12,330.81 : x
  2. Step 2: Convert to fraction form
    18,566.48/27,859.30 = 12,330.81/x
  3. Step 3: Cross multiply
    18,566.48x = 27,859.30 × 12,330.81
  4. Step 4: Simplify right side
    18,566.48x = 343,527,704.21
  5. Step 5: Solve for x
    x = 343,527,704.21/18,566.48
  6. Step 6: Final answer
    x = 18,502.57

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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.