Home / 11,835.61-17,736.49-8,690.94

Finding the Fourth Proportional to 11,835.61, 17,736.49 and 8,690.94

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Solution

The fourth proportional to 11,835.61, 17,736.49 and 8,690.94 is: 13,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.61 : 17,736.49 = 8,690.94 : x
  2. Step 2: Convert to fraction form
    11,835.61/17,736.49 = 8,690.94/x
  3. Step 3: Cross multiply
    11,835.61x = 17,736.49 × 8,690.94
  4. Step 4: Simplify right side
    11,835.61x = 154,146,726.95
  5. Step 5: Solve for x
    x = 154,146,726.95/11,835.61
  6. Step 6: Final answer
    x = 13,023.98

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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.