Home / 9,486.24-14,229.78-2,912.70

Finding the Fourth Proportional to 9,486.24, 14,229.78 and 2,912.70

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Solution

The fourth proportional to 9,486.24, 14,229.78 and 2,912.70 is: 4,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.24 : 14,229.78 = 2,912.70 : x
  2. Step 2: Convert to fraction form
    9,486.24/14,229.78 = 2,912.70/x
  3. Step 3: Cross multiply
    9,486.24x = 14,229.78 × 2,912.70
  4. Step 4: Simplify right side
    9,486.24x = 41,447,080.21
  5. Step 5: Solve for x
    x = 41,447,080.21/9,486.24
  6. Step 6: Final answer
    x = 4,369.18

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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.