Home / 8,697.35-13,046.15-2,123.66

Finding the Fourth Proportional to 8,697.35, 13,046.15 and 2,123.66

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Solution

The fourth proportional to 8,697.35, 13,046.15 and 2,123.66 is: 3,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.35 : 13,046.15 = 2,123.66 : x
  2. Step 2: Convert to fraction form
    8,697.35/13,046.15 = 2,123.66/x
  3. Step 3: Cross multiply
    8,697.35x = 13,046.15 × 2,123.66
  4. Step 4: Simplify right side
    8,697.35x = 27,705,586.91
  5. Step 5: Solve for x
    x = 27,705,586.91/8,697.35
  6. Step 6: Final answer
    x = 3,185.52

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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.