Home / 11,446.88-15,796.49-6,411.05

Finding the Fourth Proportional to 11,446.88, 15,796.49 and 6,411.05

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Solution

The fourth proportional to 11,446.88, 15,796.49 and 6,411.05 is: 8,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.88 : 15,796.49 = 6,411.05 : x
  2. Step 2: Convert to fraction form
    11,446.88/15,796.49 = 6,411.05/x
  3. Step 3: Cross multiply
    11,446.88x = 15,796.49 × 6,411.05
  4. Step 4: Simplify right side
    11,446.88x = 101,271,976.18
  5. Step 5: Solve for x
    x = 101,271,976.18/11,446.88
  6. Step 6: Final answer
    x = 8,847.13

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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.