Home / 11,326.95-16,956.83-8,418.15

Finding the Fourth Proportional to 11,326.95, 16,956.83 and 8,418.15

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Solution

The fourth proportional to 11,326.95, 16,956.83 and 8,418.15 is: 12,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.95 : 16,956.83 = 8,418.15 : x
  2. Step 2: Convert to fraction form
    11,326.95/16,956.83 = 8,418.15/x
  3. Step 3: Cross multiply
    11,326.95x = 16,956.83 × 8,418.15
  4. Step 4: Simplify right side
    11,326.95x = 142,745,096.37
  5. Step 5: Solve for x
    x = 142,745,096.37/11,326.95
  6. Step 6: Final answer
    x = 12,602.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.