Home / 11,555.18-15,950.24-6,839.44

Finding the Fourth Proportional to 11,555.18, 15,950.24 and 6,839.44

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Solution

The fourth proportional to 11,555.18, 15,950.24 and 6,839.44 is: 9,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.18 : 15,950.24 = 6,839.44 : x
  2. Step 2: Convert to fraction form
    11,555.18/15,950.24 = 6,839.44/x
  3. Step 3: Cross multiply
    11,555.18x = 15,950.24 × 6,839.44
  4. Step 4: Simplify right side
    11,555.18x = 109,090,709.47
  5. Step 5: Solve for x
    x = 109,090,709.47/11,555.18
  6. Step 6: Final answer
    x = 9,440.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.