Home / 11,418.13-17,132.32-7,257.06

Finding the Fourth Proportional to 11,418.13, 17,132.32 and 7,257.06

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Solution

The fourth proportional to 11,418.13, 17,132.32 and 7,257.06 is: 10,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.13 : 17,132.32 = 7,257.06 : x
  2. Step 2: Convert to fraction form
    11,418.13/17,132.32 = 7,257.06/x
  3. Step 3: Cross multiply
    11,418.13x = 17,132.32 × 7,257.06
  4. Step 4: Simplify right side
    11,418.13x = 124,330,274.18
  5. Step 5: Solve for x
    x = 124,330,274.18/11,418.13
  6. Step 6: Final answer
    x = 10,888.85

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1.5x scale

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.