Home / 11,835.65-17,736.56-8,690.99

Finding the Fourth Proportional to 11,835.65, 17,736.56 and 8,690.99

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Solution

The fourth proportional to 11,835.65, 17,736.56 and 8,690.99 is: 13,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.65 : 17,736.56 = 8,690.99 : x
  2. Step 2: Convert to fraction form
    11,835.65/17,736.56 = 8,690.99/x
  3. Step 3: Cross multiply
    11,835.65x = 17,736.56 × 8,690.99
  4. Step 4: Simplify right side
    11,835.65x = 154,148,240.38
  5. Step 5: Solve for x
    x = 154,148,240.38/11,835.65
  6. Step 6: Final answer
    x = 13,024.06

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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.