Home / 19,761.84-29,658.30-8,676.18

Finding the Fourth Proportional to 19,761.84, 29,658.30 and 8,676.18

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Solution

The fourth proportional to 19,761.84, 29,658.30 and 8,676.18 is: 13,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.84 : 29,658.30 = 8,676.18 : x
  2. Step 2: Convert to fraction form
    19,761.84/29,658.30 = 8,676.18/x
  3. Step 3: Cross multiply
    19,761.84x = 29,658.30 × 8,676.18
  4. Step 4: Simplify right side
    19,761.84x = 257,320,749.29
  5. Step 5: Solve for x
    x = 257,320,749.29/19,761.84
  6. Step 6: Final answer
    x = 13,021.09

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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.