Home / 11,154.12-15,392.46-6,186.12

Finding the Fourth Proportional to 11,154.12, 15,392.46 and 6,186.12

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Solution

The fourth proportional to 11,154.12, 15,392.46 and 6,186.12 is: 8,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.12 : 15,392.46 = 6,186.12 : x
  2. Step 2: Convert to fraction form
    11,154.12/15,392.46 = 6,186.12/x
  3. Step 3: Cross multiply
    11,154.12x = 15,392.46 × 6,186.12
  4. Step 4: Simplify right side
    11,154.12x = 95,219,604.66
  5. Step 5: Solve for x
    x = 95,219,604.66/11,154.12
  6. Step 6: Final answer
    x = 8,536.72

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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.