Home / 9,471.28-14,205.84-8,081.32

Finding the Fourth Proportional to 9,471.28, 14,205.84 and 8,081.32

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Solution

The fourth proportional to 9,471.28, 14,205.84 and 8,081.32 is: 12,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.28 : 14,205.84 = 8,081.32 : x
  2. Step 2: Convert to fraction form
    9,471.28/14,205.84 = 8,081.32/x
  3. Step 3: Cross multiply
    9,471.28x = 14,205.84 × 8,081.32
  4. Step 4: Simplify right side
    9,471.28x = 114,801,938.91
  5. Step 5: Solve for x
    x = 114,801,938.91/9,471.28
  6. Step 6: Final answer
    x = 12,121.06

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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.