Home / 9,187.24-12,677.68-5,207.44

Finding the Fourth Proportional to 9,187.24, 12,677.68 and 5,207.44

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Solution

The fourth proportional to 9,187.24, 12,677.68 and 5,207.44 is: 7,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.24 : 12,677.68 = 5,207.44 : x
  2. Step 2: Convert to fraction form
    9,187.24/12,677.68 = 5,207.44/x
  3. Step 3: Cross multiply
    9,187.24x = 12,677.68 × 5,207.44
  4. Step 4: Simplify right side
    9,187.24x = 66,018,257.94
  5. Step 5: Solve for x
    x = 66,018,257.94/9,187.24
  6. Step 6: Final answer
    x = 7,185.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.