Home / 7,946.12-11,884.20-7,074.80

Finding the Fourth Proportional to 7,946.12, 11,884.20 and 7,074.80

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Solution

The fourth proportional to 7,946.12, 11,884.20 and 7,074.80 is: 10,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.12 : 11,884.20 = 7,074.80 : x
  2. Step 2: Convert to fraction form
    7,946.12/11,884.20 = 7,074.80/x
  3. Step 3: Cross multiply
    7,946.12x = 11,884.20 × 7,074.80
  4. Step 4: Simplify right side
    7,946.12x = 84,078,338.16
  5. Step 5: Solve for x
    x = 84,078,338.16/7,946.12
  6. Step 6: Final answer
    x = 10,581.06

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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.