Home / 9,117.43-13,676.14-2,191.93

Finding the Fourth Proportional to 9,117.43, 13,676.14 and 2,191.93

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Solution

The fourth proportional to 9,117.43, 13,676.14 and 2,191.93 is: 3,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.43 : 13,676.14 = 2,191.93 : x
  2. Step 2: Convert to fraction form
    9,117.43/13,676.14 = 2,191.93/x
  3. Step 3: Cross multiply
    9,117.43x = 13,676.14 × 2,191.93
  4. Step 4: Simplify right side
    9,117.43x = 29,977,110.10
  5. Step 5: Solve for x
    x = 29,977,110.10/9,117.43
  6. Step 6: Final answer
    x = 3,287.89

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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.