Home / 11,453.49-15,806.61-6,418.14

Finding the Fourth Proportional to 11,453.49, 15,806.61 and 6,418.14

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Solution

The fourth proportional to 11,453.49, 15,806.61 and 6,418.14 is: 8,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.49 : 15,806.61 = 6,418.14 : x
  2. Step 2: Convert to fraction form
    11,453.49/15,806.61 = 6,418.14/x
  3. Step 3: Cross multiply
    11,453.49x = 15,806.61 × 6,418.14
  4. Step 4: Simplify right side
    11,453.49x = 101,449,035.91
  5. Step 5: Solve for x
    x = 101,449,035.91/11,453.49
  6. Step 6: Final answer
    x = 8,857.48

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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.