Home / 18,561.16-27,867.66-12,340.36

Finding the Fourth Proportional to 18,561.16, 27,867.66 and 12,340.36

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Solution

The fourth proportional to 18,561.16, 27,867.66 and 12,340.36 is: 18,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.16 : 27,867.66 = 12,340.36 : x
  2. Step 2: Convert to fraction form
    18,561.16/27,867.66 = 12,340.36/x
  3. Step 3: Cross multiply
    18,561.16x = 27,867.66 × 12,340.36
  4. Step 4: Simplify right side
    18,561.16x = 343,896,956.76
  5. Step 5: Solve for x
    x = 343,896,956.76/18,561.16
  6. Step 6: Final answer
    x = 18,527.77

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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.