Home / 11,182.20-15,431.67-6,146.88

Finding the Fourth Proportional to 11,182.20, 15,431.67 and 6,146.88

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Solution

The fourth proportional to 11,182.20, 15,431.67 and 6,146.88 is: 8,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.20 : 15,431.67 = 6,146.88 : x
  2. Step 2: Convert to fraction form
    11,182.20/15,431.67 = 6,146.88/x
  3. Step 3: Cross multiply
    11,182.20x = 15,431.67 × 6,146.88
  4. Step 4: Simplify right side
    11,182.20x = 94,856,623.69
  5. Step 5: Solve for x
    x = 94,856,623.69/11,182.20
  6. Step 6: Final answer
    x = 8,482.82

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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.