Home / 11,451.50-15,797.26-7,141.06

Finding the Fourth Proportional to 11,451.50, 15,797.26 and 7,141.06

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Solution

The fourth proportional to 11,451.50, 15,797.26 and 7,141.06 is: 9,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.50 : 15,797.26 = 7,141.06 : x
  2. Step 2: Convert to fraction form
    11,451.50/15,797.26 = 7,141.06/x
  3. Step 3: Cross multiply
    11,451.50x = 15,797.26 × 7,141.06
  4. Step 4: Simplify right side
    11,451.50x = 112,809,181.50
  5. Step 5: Solve for x
    x = 112,809,181.50/11,451.50
  6. Step 6: Final answer
    x = 9,851.04

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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.