Home / 14,310.30-21,452.67-7,286.40

Finding the Fourth Proportional to 14,310.30, 21,452.67 and 7,286.40

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Solution

The fourth proportional to 14,310.30, 21,452.67 and 7,286.40 is: 10,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.30 : 21,452.67 = 7,286.40 : x
  2. Step 2: Convert to fraction form
    14,310.30/21,452.67 = 7,286.40/x
  3. Step 3: Cross multiply
    14,310.30x = 21,452.67 × 7,286.40
  4. Step 4: Simplify right side
    14,310.30x = 156,312,734.69
  5. Step 5: Solve for x
    x = 156,312,734.69/14,310.30
  6. Step 6: Final answer
    x = 10,923.09

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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.