Home / 9,117.93-13,676.89-2,192.43

Finding the Fourth Proportional to 9,117.93, 13,676.89 and 2,192.43

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Solution

The fourth proportional to 9,117.93, 13,676.89 and 2,192.43 is: 3,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.93 : 13,676.89 = 2,192.43 : x
  2. Step 2: Convert to fraction form
    9,117.93/13,676.89 = 2,192.43/x
  3. Step 3: Cross multiply
    9,117.93x = 13,676.89 × 2,192.43
  4. Step 4: Simplify right side
    9,117.93x = 29,985,623.94
  5. Step 5: Solve for x
    x = 29,985,623.94/9,117.93
  6. Step 6: Final answer
    x = 3,288.64

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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.