Home / 18,511.66-27,767.42-5,364.01

Finding the Fourth Proportional to 18,511.66, 27,767.42 and 5,364.01

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Solution

The fourth proportional to 18,511.66, 27,767.42 and 5,364.01 is: 8,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.66 : 27,767.42 = 5,364.01 : x
  2. Step 2: Convert to fraction form
    18,511.66/27,767.42 = 5,364.01/x
  3. Step 3: Cross multiply
    18,511.66x = 27,767.42 × 5,364.01
  4. Step 4: Simplify right side
    18,511.66x = 148,944,718.55
  5. Step 5: Solve for x
    x = 148,944,718.55/18,511.66
  6. Step 6: Final answer
    x = 8,045.99

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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.