Home / 11,156.47-15,396.38-6,679.33

Finding the Fourth Proportional to 11,156.47, 15,396.38 and 6,679.33

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Solution

The fourth proportional to 11,156.47, 15,396.38 and 6,679.33 is: 9,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.47 : 15,396.38 = 6,679.33 : x
  2. Step 2: Convert to fraction form
    11,156.47/15,396.38 = 6,679.33/x
  3. Step 3: Cross multiply
    11,156.47x = 15,396.38 × 6,679.33
  4. Step 4: Simplify right side
    11,156.47x = 102,837,455.99
  5. Step 5: Solve for x
    x = 102,837,455.99/11,156.47
  6. Step 6: Final answer
    x = 9,217.74

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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.