Home / 18,205.29-27,307.91-5,726.42

Finding the Fourth Proportional to 18,205.29, 27,307.91 and 5,726.42

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Solution

The fourth proportional to 18,205.29, 27,307.91 and 5,726.42 is: 8,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.29 : 27,307.91 = 5,726.42 : x
  2. Step 2: Convert to fraction form
    18,205.29/27,307.91 = 5,726.42/x
  3. Step 3: Cross multiply
    18,205.29x = 27,307.91 × 5,726.42
  4. Step 4: Simplify right side
    18,205.29x = 156,376,396.81
  5. Step 5: Solve for x
    x = 156,376,396.81/18,205.29
  6. Step 6: Final answer
    x = 8,589.61

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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.