Home / 11,433.21-17,154.96-7,272.15

Finding the Fourth Proportional to 11,433.21, 17,154.96 and 7,272.15

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Solution

The fourth proportional to 11,433.21, 17,154.96 and 7,272.15 is: 10,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.21 : 17,154.96 = 7,272.15 : x
  2. Step 2: Convert to fraction form
    11,433.21/17,154.96 = 7,272.15/x
  3. Step 3: Cross multiply
    11,433.21x = 17,154.96 × 7,272.15
  4. Step 4: Simplify right side
    11,433.21x = 124,753,442.36
  5. Step 5: Solve for x
    x = 124,753,442.36/11,433.21
  6. Step 6: Final answer
    x = 10,911.50

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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.