Home / 19,284.09-28,846.16-18,103.11

Finding the Fourth Proportional to 19,284.09, 28,846.16 and 18,103.11

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Solution

The fourth proportional to 19,284.09, 28,846.16 and 18,103.11 is: 27,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.09 : 28,846.16 = 18,103.11 : x
  2. Step 2: Convert to fraction form
    19,284.09/28,846.16 = 18,103.11/x
  3. Step 3: Cross multiply
    19,284.09x = 28,846.16 × 18,103.11
  4. Step 4: Simplify right side
    19,284.09x = 522,205,207.56
  5. Step 5: Solve for x
    x = 522,205,207.56/19,284.09
  6. Step 6: Final answer
    x = 27,079.59

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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.