Home / 11,392.05-15,722.11-6,914.77

Finding the Fourth Proportional to 11,392.05, 15,722.11 and 6,914.77

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Solution

The fourth proportional to 11,392.05, 15,722.11 and 6,914.77 is: 9,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.05 : 15,722.11 = 6,914.77 : x
  2. Step 2: Convert to fraction form
    11,392.05/15,722.11 = 6,914.77/x
  3. Step 3: Cross multiply
    11,392.05x = 15,722.11 × 6,914.77
  4. Step 4: Simplify right side
    11,392.05x = 108,714,757.28
  5. Step 5: Solve for x
    x = 108,714,757.28/11,392.05
  6. Step 6: Final answer
    x = 9,543.04

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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.